annotate mayachemtools/docs/modules/html/code/TextUtil.html @ 0:73ae111cf86f draft

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author deepakjadmin
date Wed, 20 Jan 2016 11:55:01 -0500
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1 <html>
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2 <head>
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3 <title>MayaChemTools:Code:TextUtil.pm</title>
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4 <meta http-equiv="content-type" content="text/html;charset=utf-8">
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5 <link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css">
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6 </head>
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7 <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10">
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8 <br/>
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9 <center>
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10 <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a>
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11 </center>
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12 <br/>
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13 <pre>
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14 <a name="package-TextUtil-"></a> 1 <span class="k">package </span><span class="i">TextUtil</span><span class="sc">;</span>
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15 2 <span class="c">#</span>
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16 3 <span class="c"># $RCSfile: TextUtil.pm,v $</span>
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17 4 <span class="c"># $Date: 2015/03/22 20:08:26 $</span>
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18 5 <span class="c"># $Revision: 1.45 $</span>
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19 6 <span class="c">#</span>
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20 7 <span class="c"># Author: Manish Sud &lt;msud@san.rr.com&gt;</span>
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21 8 <span class="c">#</span>
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22 9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
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23 10 <span class="c">#</span>
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24 11 <span class="c"># This file is part of MayaChemTools.</span>
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25 12 <span class="c">#</span>
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26 13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
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27 14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
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28 15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
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29 16 <span class="c"># later version.</span>
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30 17 <span class="c">#</span>
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31 18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
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32 19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
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33 20 <span class="c"># for a particular purpose. See the GNU Lesser General Public License for more</span>
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34 21 <span class="c"># details.</span>
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35 22 <span class="c">#</span>
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36 23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
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37 24 <span class="c"># along with MayaChemTools; if not, see &lt;http://www.gnu.org/licenses/&gt; or</span>
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38 25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
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39 26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
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40 27 <span class="c">#</span>
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41 28
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42 29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
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43 30 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span>
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44 31
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45 32 <span class="k">use</span> <span class="w">vars</span> <span class="q">qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS)</span><span class="sc">;</span>
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46 33
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47 34 <span class="i">@ISA</span> = <span class="q">qw(Exporter)</span><span class="sc">;</span>
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48 35 <span class="i">@EXPORT</span> = <span class="q">qw(AddNumberSuffix ContainsWhiteSpaces GetTextLine GetTextFileDataByUniqueKey GetTextFileDataByNonUniqueKey HashCode IsEmpty IsNumberPowerOfNumber IsInteger IsPositiveInteger IsFloat IsNotEmpty IsNumerical JoinWords SplitWords QuoteAWord RemoveLeadingWhiteSpaces RemoveTrailingWhiteSpaces RemoveLeadingAndTrailingWhiteSpaces WrapText)</span><span class="sc">;</span>
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49 36 <span class="i">@EXPORT_OK</span> = <span class="q">qw()</span><span class="sc">;</span>
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50 37 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span> <span class="cm">=&gt;</span> <span class="s">[</span><span class="i">@EXPORT</span><span class="cm">,</span> <span class="i">@EXPORT_OK</span><span class="s">]</span><span class="s">)</span><span class="sc">;</span>
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51 38
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52 39 <span class="c"># Add number suffix...</span>
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53 <a name="AddNumberSuffix-"></a> 40 <span class="k">sub </span><span class="m">AddNumberSuffix</span> <span class="s">{</span>
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54 41 <span class="k">my</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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55 42 <span class="k">my</span><span class="s">(</span><span class="i">$ValueWithSuffix</span><span class="cm">,</span> <span class="i">$Suffix</span><span class="s">)</span><span class="sc">;</span>
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56 43
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57 44 <span class="i">$ValueWithSuffix</span> = <span class="i">$Value</span><span class="sc">;</span>
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58 45 <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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59 46 <span class="k">return</span> <span class="i">$ValueWithSuffix</span><span class="sc">;</span>
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60 47 <span class="s">}</span>
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61 48 <span class="i">$Suffix</span> = <span class="q">&quot;th&quot;</span><span class="sc">;</span>
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62 49 <span class="k">if</span> <span class="s">(</span><span class="i">$Value</span> &lt; <span class="n">10</span> || <span class="i">$Value</span> &gt; <span class="n">20</span><span class="s">)</span> <span class="s">{</span>
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63 50 <span class="k">my</span> <span class="i">$Remainder</span> = <span class="i">$Value</span> % <span class="n">10</span><span class="sc">;</span>
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64 51 <span class="i">$Suffix</span> = <span class="s">(</span><span class="i">$Remainder</span> == <span class="n">1</span><span class="s">)</span> ? <span class="q">&quot;st&quot;</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="i">$Remainder</span> == <span class="n">2</span><span class="s">)</span> ? <span class="q">&quot;nd&quot;</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="i">$Remainder</span> == <span class="n">3</span><span class="s">)</span> ? <span class="q">&quot;rd&quot;</span> <span class="co">:</span> <span class="q">&quot;th&quot;</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span>
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65 52 <span class="s">}</span>
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66 53 <span class="i">$ValueWithSuffix</span> = <span class="q">&quot;${ValueWithSuffix}${Suffix}&quot;</span><span class="sc">;</span>
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67 54 <span class="k">return</span> <span class="i">$ValueWithSuffix</span><span class="sc">;</span>
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68 55 <span class="s">}</span>
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69 56
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70 57 <span class="c"># Check out the string: Doen it contain any white space characters?</span>
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71 <a name="ContainsWhiteSpaces-"></a> 58 <span class="k">sub </span><span class="m">ContainsWhiteSpaces</span> <span class="s">{</span>
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72 59 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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73 60 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
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74 61
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75 62 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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76 63 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[ \t\r\n\f]/</span> <span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
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77 64 <span class="s">}</span>
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78 65 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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79 66 <span class="s">}</span>
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80 67
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81 68 <span class="c"># Read the line, change to UNIX new line char, and chop off new line char as well...</span>
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82 <a name="GetTextLine-"></a> 69 <span class="k">sub </span><span class="m">GetTextLine</span> <span class="s">{</span>
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83 70 <span class="k">my</span><span class="s">(</span><span class="i">$TextFileRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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84 71 <span class="k">my</span><span class="s">(</span><span class="i">$Line</span><span class="s">)</span> = <span class="q">&#39;&#39;</span><span class="sc">;</span>
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85 72
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86 73 <span class="c"># Get the next non empty line...</span>
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87 74 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$_</span> = <span class="q">&lt;$TextFileRef&gt;</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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88 75 <span class="c"># Change Windows and Mac new line char to UNIX...</span>
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89 76 <span class="q">s/(\r\n)|(\r)/\n/g</span><span class="sc">;</span>
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90 77
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91 78 <span class="c"># Take out any new line char at the end by explicitly removing it instead of using</span>
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92 79 <span class="c"># chomp, which might not always work correctly on files generated on a system</span>
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93 80 <span class="c"># with a value of input line separator different from the current system...</span>
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94 81 <span class="q">s/\n$//g</span><span class="sc">;</span>
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95 82
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96 83 <span class="c"># Doesn&#39;t hurt to chomp...</span>
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97 84 <span class="k">chomp</span><span class="sc">;</span>
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98 85
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99 86 <span class="i">$Line</span> = <span class="i">$_</span><span class="sc">;</span>
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100 87 <span class="k">if</span> <span class="s">(</span><span class="k">length</span> <span class="i">$Line</span><span class="s">)</span> <span class="s">{</span>
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101 88 <span class="k">last</span> <span class="j">LINE</span><span class="sc">;</span>
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102 89 <span class="s">}</span>
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103 90 <span class="s">}</span>
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104 91 <span class="k">return</span> <span class="i">$Line</span><span class="sc">;</span>
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105 92 <span class="s">}</span>
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106 93
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107 94 <span class="c"># Load data from a CSV file into the specified hash reference using a specific</span>
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108 95 <span class="c"># column for unique data key values.</span>
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109 96 <span class="c">#</span>
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110 97 <span class="c"># The lines starting with # are treated as comments and ignored. First line</span>
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111 98 <span class="c"># not starting with # must contain column labels and the number of columns in</span>
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112 99 <span class="c"># all other data rows must match the number of column labels.</span>
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113 100 <span class="c">#</span>
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114 101 <span class="c"># The first column is assumed to contain data key value by default; all other columns</span>
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115 102 <span class="c"># contain data as indicated in their column labels.</span>
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116 103 <span class="c">#</span>
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117 104 <span class="c"># In order to avoid dependence of data access on the specified column labels, the</span>
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118 105 <span class="c"># column data is loaded into hash with Column&lt;Num&gt; hash keys, where column number</span>
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119 106 <span class="c"># start from 1. The data key column is not available as Colnum&lt;Num&gt; hash key;</span>
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120 107 <span class="c">#</span>
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121 108 <span class="c"># The format of the data structure loaded into a specified hash reference is:</span>
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122 109 <span class="c">#</span>
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123 110 <span class="c"># @{$TextDataMapRef-&gt;{DataKeys}} - Array of unique data keys</span>
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124 111 <span class="c"># @{$TextDataMapRef-&gt;{ColLabels}} - Array of column labels</span>
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125 112 <span class="c"># @{$TextDataMapRef-&gt;{DataColIDs}} - Array of data column IDs</span>
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126 113 <span class="c"># $TextDataMapRef-&gt;{NumOfCols} - Number of columns</span>
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127 114 <span class="c"># %{$TextDataMapRef-&gt;{DataKey}} - Hash keys pair: &lt;DataKey, DataKey&gt;</span>
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128 115 <span class="c"># %{$TextDataMapRef-&gt;{DataCol&lt;Num&gt;}} - Hash keys pair: &lt;DataCol&lt;Num&gt;, DataKey&gt;</span>
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129 116 <span class="c">#</span>
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130 117 <span class="c"># Caveats:</span>
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131 118 <span class="c"># . The column number start from 1.</span>
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132 119 <span class="c"># . Column data for data key column column is not loaded into &lt;Column&lt;Num&gt;, DataKey&gt; hash keys pairs.</span>
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133 120 <span class="c">#</span>
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134 <a name="GetTextFileDataByUniqueKey-"></a> 121 <span class="k">sub </span><span class="m">GetTextFileDataByUniqueKey</span> <span class="s">{</span>
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135 122 <span class="k">my</span><span class="s">(</span><span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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136 123
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137 124 <span class="k">return</span> <span class="i">_GetTextFileData</span><span class="s">(</span><span class="q">&quot;UniqueKey&quot;</span><span class="cm">,</span> <span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span><span class="sc">;</span>
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138 125 <span class="s">}</span>
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139 126
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140 127 <span class="c"># Load data from a CSV file into the specified hash reference using a specific</span>
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141 128 <span class="c"># column for non-unique data key values.</span>
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142 129 <span class="c">#</span>
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143 130 <span class="c"># The lines starting with # are treated as comments and ignored. First line</span>
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144 131 <span class="c"># not starting with # must contain column labels and the number of columns in</span>
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145 132 <span class="c"># all other data rows must match the number of column labels.</span>
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146 133 <span class="c">#</span>
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147 134 <span class="c"># The first column is assumed to contain data key value by default; all other columns</span>
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148 135 <span class="c"># contain data as indicated in their column labels.</span>
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149 136 <span class="c">#</span>
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150 137 <span class="c"># In order to avoid dependence of data access on the specified column labels, the</span>
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151 138 <span class="c"># column data is loaded into hash with Column&lt;Num&gt; hash keys, where column number</span>
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152 139 <span class="c"># start from 1. The data key column is not available as Colnum&lt;Num&gt; hash key;</span>
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153 140 <span class="c">#</span>
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154 141 <span class="c"># The format of the data structure loaded into a specified hash reference is:</span>
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155 142 <span class="c">#</span>
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156 143 <span class="c"># @{$TextDataMapRef-&gt;{DataKeys}} - Array of unique data keys</span>
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157 144 <span class="c"># @{$TextDataMapRef-&gt;{ColLabels}} - Array of column labels</span>
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158 145 <span class="c"># @{$TextDataMapRef-&gt;{DataColIDs}} - Array of data column IDs</span>
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159 146 <span class="c"># $TextDataMapRef-&gt;{NumOfCols} - Number of columns</span>
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160 147 <span class="c"># %{$TextDataMapRef-&gt;{DataKey}} - Hash keys pair: &lt;DataKey, DataKey&gt;</span>
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161 148 <span class="c"># @{$TextDataMapRef-&gt;{DataCol&lt;Num&gt;}} - Hash keys pair with data as an array: &lt;DataCol&lt;Num&gt;, DataKey&gt;</span>
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162 149 <span class="c">#</span>
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163 150 <span class="c"># Caveats:</span>
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164 151 <span class="c"># . The column number start from 1.</span>
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165 152 <span class="c"># . Column data for data key column column is not loaded into &lt;Column&lt;Num&gt;, DataKey&gt; hash keys pairs.</span>
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166 153 <span class="c">#</span>
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167 <a name="GetTextFileDataByNonUniqueKey-"></a> 154 <span class="k">sub </span><span class="m">GetTextFileDataByNonUniqueKey</span> <span class="s">{</span>
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168 155 <span class="k">my</span><span class="s">(</span><span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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169 156
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170 157 <span class="k">return</span> <span class="i">_GetTextFileData</span><span class="s">(</span><span class="q">&quot;NonUniqueKey&quot;</span><span class="cm">,</span> <span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span><span class="sc">;</span>
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171 158 <span class="s">}</span>
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172 159
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173 160 <span class="c"># Loadtext file data using unique or non-uniqye data column key...</span>
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174 161 <span class="c">#</span>
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175 <a name="_GetTextFileData-"></a> 162 <span class="k">sub </span><span class="m">_GetTextFileData</span> <span class="s">{</span>
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176 163 <span class="k">my</span><span class="s">(</span><span class="i">$DataKeyMode</span><span class="cm">,</span> <span class="i">$TextDataFile</span><span class="cm">,</span> <span class="i">$TextDataMapRef</span><span class="cm">,</span> <span class="i">$DataKeyColNum</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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177 164 <span class="k">my</span><span class="s">(</span><span class="i">$DataKeyColIndex</span><span class="cm">,</span> <span class="i">$LineCount</span><span class="cm">,</span> <span class="i">$IgnoredLineCount</span><span class="cm">,</span> <span class="i">$UniqueDataKeyMode</span><span class="cm">,</span> <span class="i">$DataKey</span><span class="cm">,</span> <span class="i">$Line</span><span class="cm">,</span> <span class="i">$NumOfCols</span><span class="cm">,</span> <span class="i">$ColIndex</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">$ColID</span><span class="cm">,</span> <span class="i">$ColValue</span><span class="cm">,</span> <span class="i">@LineWords</span><span class="cm">,</span> <span class="i">@ColLabels</span><span class="cm">,</span> <span class="i">@DataColIDs</span><span class="cm">,</span> <span class="i">@DataColNums</span><span class="s">)</span><span class="sc">;</span>
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178 165
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179 166 <span class="k">print</span> <span class="q">&quot;\nProcessing text data file $TextDataFile...\n&quot;</span><span class="sc">;</span>
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180 167
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181 168 <span class="i">$UniqueDataKeyMode</span> = <span class="n">0</span><span class="sc">;</span>
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182 169 <span class="k">if</span> <span class="s">(</span><span class="i">$DataKeyMode</span> =~ <span class="q">/^UniqueKey$/i</span><span class="s">)</span> <span class="s">{</span>
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183 170 <span class="i">$UniqueDataKeyMode</span> = <span class="n">1</span><span class="sc">;</span>
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184 171 <span class="s">}</span>
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185 172
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186 173 <span class="c"># Setup default values...</span>
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187 174 <span class="i">$DataKeyColNum</span> = <span class="k">defined</span> <span class="i">$DataKeyColNum</span> ? <span class="i">$DataKeyColNum</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
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188 175
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189 176 <span class="k">if</span> <span class="s">(</span><span class="i">$TextDataFile</span> =~ <span class="q">/^\.tsv$/i</span><span class="s">)</span> <span class="s">{</span>
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190 177 <span class="i">$InDelim</span> = <span class="q">&quot;\t&quot;</span><span class="sc">;</span>
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191 178 <span class="s">}</span>
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192 179 <span class="k">else</span> <span class="s">{</span>
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193 180 <span class="i">$InDelim</span> = <span class="q">&quot;\,&quot;</span><span class="sc">;</span>
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194 181 <span class="k">if</span> <span class="s">(</span><span class="i">$InDelim</span> =~ <span class="q">/^semicolon$/i</span><span class="s">)</span> <span class="s">{</span>
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195 182 <span class="i">$InDelim</span> = <span class="q">&quot;\;&quot;</span><span class="sc">;</span>
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196 183 <span class="s">}</span>
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197 184 <span class="s">}</span>
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198 185
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199 186 <span class="s">(</span><span class="i">$LineCount</span><span class="cm">,</span> <span class="i">$IgnoredLineCount</span><span class="s">)</span> = <span class="s">(</span><span class="n">0</span><span class="s">)</span> x <span class="n">2</span><span class="sc">;</span>
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200 187
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201 188 <span class="k">open</span> <span class="w">TEXTDATAFILE</span><span class="cm">,</span> <span class="q">&quot;$TextDataFile&quot;</span> <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Couldn&#39;t open $TextDataFile: $! ...&quot;</span><span class="sc">;</span>
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202 189
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203 190 <span class="c"># Skip lines up to column labels...</span>
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204 191 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">TextUtil::GetTextLine</span><span class="s">(</span>\<span class="i">*TEXTDATAFILE</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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205 192 <span class="i">$LineCount</span>++<span class="sc">;</span>
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206 193 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^#/</span><span class="s">)</span> <span class="s">{</span>
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207 194 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
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208 195 <span class="s">}</span>
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209 196 <span class="k">else</span> <span class="s">{</span>
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210 197 <span class="k">last</span> <span class="j">LINE</span><span class="sc">;</span>
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211 198 <span class="s">}</span>
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212 199 <span class="s">}</span>
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213 200
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214 201 <span class="c"># Initialize data map...</span>
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215 202 <span class="i">%</span>{<span class="i">$TextDataMapRef</span>} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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216 203 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKeys</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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217 204 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">ColLabels</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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218 205 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataColIDs</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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219 206 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">NumOfCols</span>} = <span class="k">undef</span><span class="sc">;</span>
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220 207
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221 208 <span class="c"># Process column labels...</span>
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222 209 <span class="i">@ColLabels</span>= <span class="i">quotewords</span><span class="s">(</span><span class="i">$InDelim</span><span class="cm">,</span> <span class="n">0</span><span class="cm">,</span> <span class="i">$Line</span><span class="s">)</span><span class="sc">;</span>
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223 210 <span class="i">$NumOfCols</span> = <span class="i">@ColLabels</span><span class="sc">;</span>
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224 211
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225 212 <span class="k">if</span> <span class="s">(</span><span class="i">$DataKeyColNum</span> &lt; <span class="n">1</span> || <span class="i">$DataKeyColNum</span> &gt; <span class="i">$NumOfCols</span><span class="s">)</span> <span class="s">{</span>
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226 213 <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring text data file $TextDataFile: Invalid data key column number, $DataKeyColNum, specified. It must be &gt; 0 or &lt;= $NumOfCols, number of columns in the text file ...&quot;</span><span class="sc">;</span>
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227 214 <span class="k">return</span><span class="sc">;</span>
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228 215 <span class="s">}</span>
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229 216 <span class="i">$DataKeyColIndex</span> = <span class="i">$DataKeyColNum</span> - <span class="n">1</span><span class="sc">;</span>
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230 217
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231 218 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">NumOfCols</span>} = <span class="i">$NumOfCols</span><span class="sc">;</span>
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232 219 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">ColLabels</span>}}<span class="cm">,</span> <span class="i">@ColLabels</span><span class="sc">;</span>
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233 220
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234 221 <span class="c"># Set up column data IDs for tracking the data...</span>
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235 222 <span class="i">@DataColNums</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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236 223 <span class="i">@DataColIDs</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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237 224 <span class="j">COLNUM:</span> <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="n">1</span> .. <span class="i">$NumOfCols</span><span class="s">)</span> <span class="s">{</span>
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238 225 <span class="k">if</span> <span class="s">(</span><span class="i">$ColNum</span> == <span class="i">$DataKeyColNum</span><span class="s">)</span> <span class="s">{</span>
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239 226 <span class="k">next</span> <span class="j">COLNUM</span><span class="sc">;</span>
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240 227 <span class="s">}</span>
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241 228 <span class="k">push</span> <span class="i">@DataColNums</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="sc">;</span>
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242 229 <span class="i">$ColID</span> = <span class="q">&quot;DataCol${ColNum}&quot;</span><span class="sc">;</span>
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243 230 <span class="k">push</span> <span class="i">@DataColIDs</span><span class="cm">,</span> <span class="i">$ColID</span><span class="sc">;</span>
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244 231 <span class="s">}</span>
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245 232 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataColIDs</span>}}<span class="cm">,</span> <span class="i">@DataColIDs</span><span class="sc">;</span>
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246 233
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247 234 <span class="c"># Initialize column data hash...</span>
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248 235 <span class="i">%</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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249 236 <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DataColNums</span><span class="s">)</span> <span class="s">{</span>
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250 237 <span class="i">$ColNum</span> = <span class="i">$DataColNums</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
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251 238 <span class="i">$ColID</span> = <span class="i">$DataColIDs</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
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252 239 <span class="i">%</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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253 240 <span class="s">}</span>
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254 241
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255 242 <span class="j">LINE:</span> <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">TextUtil::GetTextLine</span><span class="s">(</span>\<span class="i">*TEXTDATAFILE</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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256 243 <span class="i">$LineCount</span>++<span class="sc">;</span>
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257 244 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^#/</span><span class="s">)</span> <span class="s">{</span>
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258 245 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
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259 246 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
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260 247 <span class="s">}</span>
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261 248
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262 249 <span class="i">@LineWords</span> = <span class="i">quotewords</span><span class="s">(</span><span class="i">$InDelim</span><span class="cm">,</span> <span class="n">0</span><span class="cm">,</span> <span class="i">$Line</span><span class="s">)</span><span class="sc">;</span>
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263 250 <span class="k">if</span> <span class="s">(</span><span class="i">@LineWords</span> != <span class="i">$NumOfCols</span><span class="s">)</span> <span class="s">{</span>
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264 251 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
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265 252 <span class="k">warn</span> <span class="q">&quot;Warning: The number of data fields, @LineWords, in $TextDataFile must be $NumOfCols.\nIgnoring line number $LineCount: $Line...\n&quot;</span><span class="sc">;</span>
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266 253 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
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267 254 <span class="s">}</span>
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268 255 <span class="i">$DataKey</span> = <span class="i">$LineWords</span>[<span class="i">$DataKeyColIndex</span>]<span class="sc">;</span>
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269 256
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270 257 <span class="k">if</span> <span class="s">(</span><span class="i">$UniqueDataKeyMode</span><span class="s">)</span> <span class="s">{</span>
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271 258 <span class="k">if</span> <span class="s">(</span><span class="k">exists</span> <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>}<span class="s">)</span> <span class="s">{</span>
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272 259 <span class="i">$IgnoredLineCount</span>++<span class="sc">;</span>
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273 260 <span class="k">warn</span> <span class="q">&quot;Warning: The data key, $DataKey, in data column key number, $DataKeyColNum, is already present.\nIgnoring line number $LineCount: $Line...\n&quot;</span><span class="sc">;</span>
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274 261 <span class="k">next</span> <span class="j">LINE</span><span class="sc">;</span>
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275 262 <span class="s">}</span>
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276 263 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKeys</span>}}<span class="cm">,</span> <span class="i">$DataKey</span><span class="sc">;</span>
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277 264 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>} = <span class="i">$DataKey</span><span class="sc">;</span>
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278 265 <span class="s">}</span>
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279 266 <span class="k">else</span> <span class="s">{</span>
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280 267 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>}<span class="s">)</span> <span class="s">{</span>
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281 268 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKeys</span>}}<span class="cm">,</span> <span class="i">$DataKey</span><span class="sc">;</span>
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282 269 <span class="i">$TextDataMapRef</span>-&gt;{<span class="w">DataKey</span>}{<span class="i">$DataKey</span>} = <span class="i">$DataKey</span><span class="sc">;</span>
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283 270
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284 271 <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DataColNums</span><span class="s">)</span> <span class="s">{</span>
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285 272 <span class="i">$ColNum</span> = <span class="i">$DataColNums</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
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286 273 <span class="i">$ColID</span> = <span class="i">$DataColIDs</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
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287 274 <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}{<span class="i">$DataKey</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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288 275 <span class="s">}</span>
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289 276 <span class="s">}</span>
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290 277 <span class="s">}</span>
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291 278
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292 279 <span class="c"># Track column data values...</span>
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293 280 <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#DataColNums</span><span class="s">)</span> <span class="s">{</span>
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294 281 <span class="i">$ColID</span> = <span class="i">$DataColIDs</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
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295 282
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296 283 <span class="i">$ColNum</span> = <span class="i">$DataColNums</span>[<span class="i">$ColIndex</span>]<span class="sc">;</span>
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297 284 <span class="i">$ColValue</span> = <span class="i">$LineWords</span>[<span class="i">$ColNum</span> - <span class="n">1</span>]<span class="sc">;</span>
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298 285
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299 286 <span class="k">if</span> <span class="s">(</span><span class="i">$UniqueDataKeyMode</span><span class="s">)</span> <span class="s">{</span>
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300 287 <span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}{<span class="i">$DataKey</span>} = <span class="i">$ColValue</span><span class="sc">;</span>
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301 288 <span class="s">}</span>
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302 289 <span class="k">else</span> <span class="s">{</span>
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303 290 <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextDataMapRef</span>-&gt;{<span class="i">$ColID</span>}{<span class="i">$DataKey</span>}}<span class="cm">,</span> <span class="i">$ColValue</span><span class="sc">;</span>
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304 291 <span class="s">}</span>
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305 292 <span class="s">}</span>
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306 293
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307 294 <span class="s">}</span>
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308 295
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309 296 <span class="k">print</span> <span class="q">&quot;\nTotal number of lines in file $TextDataFile: $LineCount\n&quot;</span><span class="sc">;</span>
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310 297 <span class="k">print</span> <span class="q">&quot;Total number of lines ignored: $IgnoredLineCount\n&quot;</span><span class="sc">;</span>
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311 298
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312 299 <span class="k">close</span> <span class="w">TEXTDATAFILE</span><span class="sc">;</span>
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313 300 <span class="s">}</span>
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314 301
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315 302 <span class="c"># Returns a 32 bit integer hash code using One-at-a-time algorithm By Bob Jenkins [Ref 38]. It&#39;s also implemented in</span>
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316 303 <span class="c"># Perl for internal hash keys in hv.h include file.</span>
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317 304 <span class="c">#</span>
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318 305 <span class="c"># It&#39;s not clear how to force Perl perform unsigned integer arithmetic irrespective of the OS/Platform and</span>
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319 306 <span class="c"># the value of use64bitint flag used during its compilation.</span>
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320 307 <span class="c">#</span>
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321 308 <span class="c"># In order to generate a consistent 32 bit has code across OS/platforms, the following methodology appear</span>
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322 309 <span class="c"># to work:</span>
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323 310 <span class="c">#</span>
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324 311 <span class="c"># o Use MaxHashCodeMask to retrieve appropriate bits after left shifting by bit operators and additions</span>
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325 312 <span class="c"># o Stay away from &quot;use integer&quot; to avoid signed integer arithmetic for bit operators</span>
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326 313 <span class="c">#</span>
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327 314 <span class="c">#</span>
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328 315 <span class="c"># MaxHashCodeMask (2147483647) corresponds to the maximum value which can be stored in 31 bits</span>
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329 316 <span class="c">#</span>
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330 317 <span class="k">my</span><span class="s">(</span><span class="i">$MaxHashCodeMask</span><span class="s">)</span><span class="sc">;</span>
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331 318 <span class="i">$MaxHashCodeMask</span> = <span class="n">2</span>**<span class="n">31</span> - <span class="n">1</span><span class="sc">;</span>
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332 319
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333 <a name="HashCode-"></a> 320 <span class="k">sub </span><span class="m">HashCode</span> <span class="s">{</span>
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334 321 <span class="k">my</span><span class="s">(</span><span class="i">$String</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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335 322 <span class="k">my</span><span class="s">(</span><span class="i">$HashCode</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$ShiftedHashCode</span><span class="s">)</span><span class="sc">;</span>
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336 323
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337 324 <span class="i">$HashCode</span> = <span class="n">0</span><span class="sc">;</span>
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338 325 <span class="k">for</span> <span class="i">$Value</span> <span class="s">(</span><span class="k">unpack</span><span class="s">(</span><span class="q">&#39;C*&#39;</span><span class="cm">,</span> <span class="i">$String</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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339 326 <span class="i">$HashCode</span> += <span class="i">$Value</span><span class="sc">;</span>
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340 327
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341 328 <span class="i">$ShiftedHashCode</span> = <span class="i">$HashCode</span> &lt;&lt; <span class="n">10</span><span class="sc">;</span>
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342 329 <span class="k">if</span> <span class="s">(</span><span class="i">$ShiftedHashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
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343 330 <span class="i">$ShiftedHashCode</span> = <span class="i">$ShiftedHashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
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344 331 <span class="s">}</span>
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345 332
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346 333 <span class="i">$HashCode</span> += <span class="i">$ShiftedHashCode</span><span class="sc">;</span>
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347 334 <span class="k">if</span> <span class="s">(</span><span class="i">$HashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
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348 335 <span class="i">$HashCode</span> = <span class="i">$HashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
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349 336 <span class="s">}</span>
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350 337
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351 338 <span class="i">$HashCode</span> ^= <span class="s">(</span><span class="i">$HashCode</span> &gt;&gt; <span class="n">6</span><span class="s">)</span><span class="sc">;</span>
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352 339 <span class="s">}</span>
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353 340
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354 341 <span class="i">$ShiftedHashCode</span> = <span class="i">$HashCode</span> &lt;&lt; <span class="n">3</span><span class="sc">;</span>
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355 342 <span class="k">if</span> <span class="s">(</span><span class="i">$ShiftedHashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
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356 343 <span class="i">$ShiftedHashCode</span> = <span class="i">$ShiftedHashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
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357 344 <span class="s">}</span>
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358 345
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359 346 <span class="i">$HashCode</span> += <span class="i">$ShiftedHashCode</span><span class="sc">;</span>
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360 347 <span class="k">if</span> <span class="s">(</span><span class="i">$HashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
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361 348 <span class="i">$HashCode</span> = <span class="i">$HashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
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362 349 <span class="s">}</span>
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363 350 <span class="i">$HashCode</span> ^= <span class="s">(</span><span class="i">$HashCode</span> &gt;&gt; <span class="n">11</span><span class="s">)</span><span class="sc">;</span>
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364 351
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365 352 <span class="i">$ShiftedHashCode</span> = <span class="i">$HashCode</span> &lt;&lt; <span class="n">15</span><span class="sc">;</span>
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366 353 <span class="k">if</span> <span class="s">(</span><span class="i">$ShiftedHashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
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367 354 <span class="i">$ShiftedHashCode</span> = <span class="i">$ShiftedHashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
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368 355 <span class="s">}</span>
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369 356
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370 357 <span class="i">$HashCode</span> += <span class="i">$ShiftedHashCode</span><span class="sc">;</span>
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371 358 <span class="k">if</span> <span class="s">(</span><span class="i">$HashCode</span> &gt; <span class="i">$MaxHashCodeMask</span><span class="s">)</span> <span class="s">{</span>
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372 359 <span class="i">$HashCode</span> = <span class="i">$HashCode</span> &amp; <span class="i">$MaxHashCodeMask</span><span class="sc">;</span>
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373 360 <span class="s">}</span>
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374 361 <span class="k">return</span> <span class="i">$HashCode</span><span class="sc">;</span>
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375 362 <span class="s">}</span>
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376 363
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377 364 <span class="c"># Check out the string: Is it defined and has a non zero length?</span>
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378 <a name="IsEmpty-"></a> 365 <span class="k">sub </span><span class="m">IsEmpty</span> <span class="s">{</span>
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379 366 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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380 367 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">1</span><span class="sc">;</span>
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381 368
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382 369 <span class="i">$Status</span> = <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
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383 370
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384 371 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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385 372 <span class="s">}</span>
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386 373
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387 374 <span class="c"># Is first specified number power of second specified number...</span>
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388 <a name="IsNumberPowerOfNumber-"></a> 375 <span class="k">sub </span><span class="m">IsNumberPowerOfNumber</span> <span class="s">{</span>
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389 376 <span class="k">my</span><span class="s">(</span><span class="i">$FirstNum</span><span class="cm">,</span> <span class="i">$SecondNum</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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390 377 <span class="k">my</span><span class="s">(</span><span class="i">$PowerValue</span><span class="s">)</span><span class="sc">;</span>
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391 378
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392 379 <span class="i">$PowerValue</span> = <span class="k">log</span><span class="s">(</span><span class="i">$FirstNum</span><span class="s">)</span>/<span class="k">log</span><span class="s">(</span><span class="i">$SecondNum</span><span class="s">)</span><span class="sc">;</span>
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393 380
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394 381 <span class="k">return</span> <span class="i">IsInteger</span><span class="s">(</span><span class="i">$PowerValue</span><span class="s">)</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
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395 382 <span class="s">}</span>
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396 383
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397 384 <span class="c"># Check out the string: Is it an integer?</span>
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398 <a name="IsInteger-"></a> 385 <span class="k">sub </span><span class="m">IsInteger</span> <span class="s">{</span>
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399 386 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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400 387 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
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401 388
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402 389 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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403 390 <span class="i">$TheString</span> = <span class="i">RemoveLeadingAndTrailingWhiteSpaces</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span>
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404 391 <span class="i">$TheString</span> =~ <span class="q">s/^[+-]//</span><span class="sc">;</span>
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405 392 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[^0-9]/</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
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406 393 <span class="s">}</span>
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407 394 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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408 395 <span class="s">}</span>
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409 396
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410 397 <span class="c"># Check out the string: Is it an integer with value &gt; 0?</span>
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411 <a name="IsPositiveInteger-"></a> 398 <span class="k">sub </span><span class="m">IsPositiveInteger</span> <span class="s">{</span>
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412 399 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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413 400 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
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414 401
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415 402 <span class="i">$Status</span> = <span class="i">IsInteger</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> ? <span class="s">(</span><span class="i">$TheString</span> &gt; <span class="n">0</span> ? <span class="n">1</span> <span class="co">:</span> <span class="n">0</span><span class="s">)</span> <span class="co">:</span> <span class="n">0</span><span class="sc">;</span>
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416 403
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417 404 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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418 405 <span class="s">}</span>
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419 406
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420 407
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421 408 <span class="c"># Check out the string: Is it a float?</span>
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422 <a name="IsFloat-"></a> 409 <span class="k">sub </span><span class="m">IsFloat</span> <span class="s">{</span>
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423 410 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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424 411 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
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425 412
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426 413 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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427 414 <span class="i">$TheString</span> = <span class="i">RemoveLeadingAndTrailingWhiteSpaces</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span>
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428 415 <span class="i">$TheString</span> =~ <span class="q">s/^[+-]//</span><span class="sc">;</span>
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429 416 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[^0-9.eE]/</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> == <span class="n">1</span><span class="s">)</span> &amp;&amp; <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[.eE]/</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="s">)</span><span class="sc">;</span>
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430 417 <span class="s">}</span>
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431 418 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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432 419 <span class="s">}</span>
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433 420
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434 421 <span class="c"># Check out the string: Is it defined and has a non zero length?</span>
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435 <a name="IsNotEmpty-"></a> 422 <span class="k">sub </span><span class="m">IsNotEmpty</span> <span class="s">{</span>
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436 423 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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437 424 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span><span class="sc">;</span>
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438 425
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439 426 <span class="i">$Status</span> = <span class="i">IsEmpty</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="sc">;</span>
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440 427
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441 428 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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442 429 <span class="s">}</span>
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443 430
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444 431 <span class="c"># Check out the string: Does it only contain numerical data?</span>
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445 <a name="IsNumerical-"></a> 432 <span class="k">sub </span><span class="m">IsNumerical</span> <span class="s">{</span>
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446 433 <span class="k">my</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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447 434 <span class="k">my</span><span class="s">(</span><span class="i">$Status</span><span class="s">)</span> = <span class="n">0</span><span class="sc">;</span>
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448 435
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449 436 <span class="k">if</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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450 437 <span class="i">$TheString</span> = <span class="i">RemoveLeadingAndTrailingWhiteSpaces</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span><span class="sc">;</span>
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451 438 <span class="i">$TheString</span> =~ <span class="q">s/^[+-]//</span><span class="sc">;</span>
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452 439 <span class="i">$Status</span> = <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[^0-9.eE]/</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="s">(</span><span class="s">(</span><span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$TheString</span><span class="s">)</span> == <span class="n">1</span><span class="s">)</span> &amp;&amp; <span class="s">(</span><span class="i">$TheString</span> =~ <span class="q">/[.eE]/</span><span class="s">)</span><span class="s">)</span> ? <span class="n">0</span> <span class="co">:</span> <span class="n">1</span><span class="s">)</span><span class="sc">;</span>
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453 440 <span class="s">}</span>
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454 441 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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455 442 <span class="s">}</span>
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456 443
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457 444 <span class="c"># Join different words using delimiter and quote parameters. And return as</span>
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458 445 <span class="c"># a string value.</span>
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459 <a name="JoinWords-"></a> 446 <span class="k">sub </span><span class="m">JoinWords</span> <span class="s">{</span>
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460 447 <span class="k">my</span><span class="s">(</span><span class="i">$Words</span><span class="cm">,</span> <span class="i">$Delim</span><span class="cm">,</span> <span class="i">$Quote</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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461 448
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462 449 <span class="k">if</span> <span class="s">(</span>!<span class="i">@$Words</span><span class="s">)</span> <span class="s">{</span>
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463 450 <span class="k">return</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
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464 451 <span class="s">}</span>
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465 452
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466 453 <span class="i">$Quote</span> = <span class="i">$Quote</span> ? <span class="q">&quot;\&quot;&quot;</span> <span class="co">:</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
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467 454 <span class="k">my</span><span class="s">(</span><span class="i">@NewWords</span><span class="s">)</span> = <span class="k">map</span> <span class="s">{</span> <span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$_</span><span class="s">)</span> &amp;&amp; <span class="k">length</span><span class="s">(</span><span class="i">$_</span><span class="s">)</span><span class="s">)</span> ? <span class="q">&quot;${Quote}$_${Quote}&quot;</span> <span class="co">:</span> <span class="q">&quot;${Quote}${Quote}&quot;</span> <span class="s">}</span> <span class="i">@$Words</span><span class="sc">;</span>
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468 455
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469 456 <span class="k">return</span> <span class="k">join</span> <span class="i">$Delim</span><span class="cm">,</span> <span class="i">@NewWords</span><span class="sc">;</span>
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470 457 <span class="s">}</span>
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471 458
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472 459 <span class="c"># Split string value containing quoted or unquoted words in to an array containing</span>
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473 460 <span class="c"># unquoted words.</span>
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474 461 <span class="c">#</span>
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475 462 <span class="c"># This function is used to split strings generated by JoinWords.</span>
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476 463 <span class="c">#</span>
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477 <a name="SplitWords-"></a> 464 <span class="k">sub </span><span class="m">SplitWords</span> <span class="s">{</span>
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478 465 <span class="k">my</span><span class="s">(</span><span class="i">$Line</span><span class="cm">,</span> <span class="i">$Delim</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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479 466
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480 467 <span class="k">if</span> <span class="s">(</span>!<span class="i">$Line</span><span class="s">)</span> <span class="s">{</span>
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481 468 <span class="k">return</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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482 469 <span class="s">}</span>
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483 470
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484 471 <span class="c"># Is it a quoted string?</span>
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485 472 <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> =~ <span class="q">/^\&quot;/</span><span class="s">)</span> <span class="s">{</span>
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486 473 <span class="c"># Take out first and last quote...</span>
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487 474 <span class="i">$Line</span> =~ <span class="q">s/^\&quot;//</span><span class="sc">;</span> <span class="i">$Line</span> =~ <span class="q">s/\&quot;$//</span><span class="sc">;</span>
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488 475
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489 476 <span class="i">$Delim</span> = <span class="q">&quot;\&quot;$Delim\&quot;&quot;</span><span class="sc">;</span>
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490 477 <span class="s">}</span>
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491 478 <span class="k">return</span> <span class="k">split</span> <span class="q">/$Delim/</span><span class="cm">,</span> <span class="i">$Line</span><span class="sc">;</span>
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492 479 <span class="s">}</span>
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493 480
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494 481 <span class="c"># Based on quote parameter, figure out what to do</span>
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495 <a name="QuoteAWord-"></a> 482 <span class="k">sub </span><span class="m">QuoteAWord</span> <span class="s">{</span>
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496 483 <span class="k">my</span><span class="s">(</span><span class="i">$Word</span><span class="cm">,</span> <span class="i">$Quote</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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497 484 <span class="k">my</span><span class="s">(</span><span class="i">$QuotedWord</span><span class="s">)</span><span class="sc">;</span>
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498 485
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499 486 <span class="i">$QuotedWord</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
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500 487 <span class="k">if</span> <span class="s">(</span><span class="i">$Word</span><span class="s">)</span> <span class="s">{</span>
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parents:
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501 488 <span class="i">$QuotedWord</span> = <span class="i">$Word</span><span class="sc">;</span>
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parents:
diff changeset
502 489 <span class="s">}</span>
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503 490 <span class="k">if</span> <span class="s">(</span><span class="i">$Quote</span><span class="s">)</span> <span class="s">{</span>
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parents:
diff changeset
504 491 <span class="i">$QuotedWord</span> = <span class="q">&quot;\&quot;$QuotedWord\&quot;&quot;</span><span class="sc">;</span>
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parents:
diff changeset
505 492 <span class="s">}</span>
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parents:
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506 493 <span class="k">return</span> <span class="s">(</span><span class="i">$QuotedWord</span><span class="s">)</span><span class="sc">;</span>
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parents:
diff changeset
507 494 <span class="s">}</span>
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508 495
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509 496 <span class="c"># Remove leading white space characters from the string...</span>
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parents:
diff changeset
510 <a name="RemoveLeadingWhiteSpaces-"></a> 497 <span class="k">sub </span><span class="m">RemoveLeadingWhiteSpaces</span> <span class="s">{</span>
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511 498 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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parents:
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512 499 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="cm">,</span> <span class="i">$TrailingString</span><span class="cm">,</span> <span class="i">$LeadingWhiteSpace</span><span class="s">)</span><span class="sc">;</span>
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parents:
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513 500
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parents:
diff changeset
514 501 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
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parents:
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515 502 <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &amp;&amp; <span class="i">ContainsWhiteSpaces</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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parents:
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516 503 <span class="i">$OutString</span> =~ <span class="q">s/^([ \t\r\n\f]*)(.*?)$/$2/</span><span class="sc">;</span>
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parents:
diff changeset
517 504 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
518 505 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
519 506 <span class="s">}</span>
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diff changeset
520 507
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parents:
diff changeset
521 508 <span class="c"># Remove Trailing white space characters from the string...</span>
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deepakjadmin
parents:
diff changeset
522 <a name="RemoveTrailingWhiteSpaces-"></a> 509 <span class="k">sub </span><span class="m">RemoveTrailingWhiteSpaces</span> <span class="s">{</span>
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parents:
diff changeset
523 510 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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parents:
diff changeset
524 511 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="cm">,</span> <span class="i">$LeadingString</span><span class="cm">,</span> <span class="i">$TrailingWhiteSpace</span><span class="s">)</span><span class="sc">;</span>
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parents:
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525 512
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526 513 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
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parents:
diff changeset
527 514 <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &amp;&amp; <span class="i">ContainsWhiteSpaces</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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parents:
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528 515 <span class="i">$OutString</span> =~ <span class="q">s/^(.*?)([ \t\r\n\f]*)$/$1/</span><span class="sc">;</span>
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parents:
diff changeset
529 516 <span class="s">}</span>
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parents:
diff changeset
530 517 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
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parents:
diff changeset
531 518 <span class="s">}</span>
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diff changeset
532 519
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parents:
diff changeset
533 520 <span class="c"># Remove both leading and trailing white space characters from the string...</span>
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parents:
diff changeset
534 <a name="RemoveLeadingAndTrailingWhiteSpaces-"></a> 521 <span class="k">sub </span><span class="m">RemoveLeadingAndTrailingWhiteSpaces</span> <span class="s">{</span>
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parents:
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535 522 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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parents:
diff changeset
536 523 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="s">)</span><span class="sc">;</span>
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parents:
diff changeset
537 524
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parents:
diff changeset
538 525 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
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parents:
diff changeset
539 526 <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &amp;&amp; <span class="i">ContainsWhiteSpaces</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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parents:
diff changeset
540 527 <span class="i">$OutString</span> =~ <span class="q">s/^([ \t\r\n\f]*)(.*?)([ \t\r\n\f]*)$/$2/</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
541 528 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
542 529 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
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parents:
diff changeset
543 530 <span class="s">}</span>
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diff changeset
544 531
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parents:
diff changeset
545 532 <span class="c"># Wrap text string...</span>
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parents:
diff changeset
546 <a name="WrapText-"></a> 533 <span class="k">sub </span><span class="m">WrapText</span> <span class="s">{</span>
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parents:
diff changeset
547 534 <span class="k">my</span><span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="cm">,</span> <span class="i">$WrapDelimiter</span><span class="s">)</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
548 535 <span class="k">my</span><span class="s">(</span><span class="i">$OutString</span><span class="s">)</span><span class="sc">;</span>
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parents:
diff changeset
549 536
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parents:
diff changeset
550 537 <span class="i">$WrapLength</span> = <span class="n">40</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
551 538 <span class="i">$WrapDelimiter</span> = <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
552 539 <span class="k">if</span> <span class="s">(</span><span class="i">@_</span> == <span class="n">3</span><span class="s">)</span> <span class="s">{</span>
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parents:
diff changeset
553 540 <span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="cm">,</span> <span class="i">$WrapDelimiter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
554 541 <span class="s">}</span>
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parents:
diff changeset
555 542 <span class="k">elsif</span> <span class="s">(</span><span class="i">@_</span> == <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
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parents:
diff changeset
556 543 <span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
557 544 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
558 545 <span class="k">else</span> <span class="s">{</span>
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deepakjadmin
parents:
diff changeset
559 546 <span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
560 547 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
561 548 <span class="i">$OutString</span> = <span class="i">$InString</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
562 549 <span class="k">if</span> <span class="s">(</span><span class="i">$InString</span> &amp;&amp; <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span> &gt; <span class="i">$WrapLength</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
73ae111cf86f Uploaded
deepakjadmin
parents:
diff changeset
563 550 <span class="i">$OutString</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
564 551 <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$Length</span><span class="cm">,</span> <span class="i">$FirstPiece</span><span class="cm">,</span> <span class="i">$StringPiece</span><span class="s">)</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
565 552 <span class="i">$Index</span> = <span class="n">0</span><span class="sc">;</span> <span class="i">$Length</span> = <span class="k">length</span><span class="s">(</span><span class="i">$InString</span><span class="s">)</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
566 553 <span class="i">$FirstPiece</span> = <span class="n">1</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
567 554 <span class="k">for</span> <span class="s">(</span><span class="i">$Index</span> = <span class="n">0</span><span class="sc">;</span> <span class="i">$Index</span> &lt; <span class="i">$Length</span><span class="sc">;</span> <span class="i">$Index</span> += <span class="i">$WrapLength</span><span class="s">)</span> <span class="s">{</span>
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deepakjadmin
parents:
diff changeset
568 555 <span class="k">if</span> <span class="s">(</span><span class="s">(</span><span class="i">$Index</span> + <span class="i">$WrapLength</span><span class="s">)</span> &lt; <span class="i">$Length</span><span class="s">)</span> <span class="s">{</span>
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deepakjadmin
parents:
diff changeset
569 556 <span class="i">$StringPiece</span> = <span class="k">substr</span><span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$Index</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
570 557 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
571 558 <span class="k">else</span> <span class="s">{</span>
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deepakjadmin
parents:
diff changeset
572 559 <span class="c"># Last piece of the string...</span>
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deepakjadmin
parents:
diff changeset
573 560 <span class="i">$StringPiece</span> = <span class="k">substr</span><span class="s">(</span><span class="i">$InString</span><span class="cm">,</span> <span class="i">$Index</span><span class="cm">,</span> <span class="i">$WrapLength</span><span class="s">)</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
574 561 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
575 562 <span class="k">if</span> <span class="s">(</span><span class="i">$FirstPiece</span><span class="s">)</span> <span class="s">{</span>
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deepakjadmin
parents:
diff changeset
576 563 <span class="i">$FirstPiece</span> = <span class="n">0</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
577 564 <span class="i">$OutString</span> = <span class="i">$StringPiece</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
578 565 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
579 566 <span class="k">else</span> <span class="s">{</span>
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deepakjadmin
parents:
diff changeset
580 567 <span class="i">$OutString</span> .= <span class="q">&quot;${WrapDelimiter}${StringPiece}&quot;</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
581 568 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
582 569 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
583 570 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
584 571 <span class="k">return</span> <span class="i">$OutString</span><span class="sc">;</span>
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deepakjadmin
parents:
diff changeset
585 572 <span class="s">}</span>
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deepakjadmin
parents:
diff changeset
586 573
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deepakjadmin
parents:
diff changeset
587 <a name="EOF-"></a></pre>
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deepakjadmin
parents:
diff changeset
588 <p>&nbsp;</p>
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deepakjadmin
parents:
diff changeset
589 <br />
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deepakjadmin
parents:
diff changeset
590 <center>
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deepakjadmin
parents:
diff changeset
591 <img src="../../../images/h2o2.png">
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deepakjadmin
parents:
diff changeset
592 </center>
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deepakjadmin
parents:
diff changeset
593 </body>
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deepakjadmin
parents:
diff changeset
594 </html>