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   1 #!/usr/bin/perl -w
   2 <span class="c">#</span>
   3 <span class="c"># $RCSfile: MergeTextFilesWithSD.pl,v $</span>
   4 <span class="c"># $Date: 2015/02/28 20:46:20 $</span>
   5 <span class="c"># $Revision: 1.39 $</span>
   6 <span class="c">#</span>
   7 <span class="c"># Author: Manish Sud &lt;msud@san.rr.com&gt;</span>
   8 <span class="c">#</span>
   9 <span class="c"># Copyright (C) 2015 Manish Sud. All rights reserved.</span>
  10 <span class="c">#</span>
  11 <span class="c"># This file is part of MayaChemTools.</span>
  12 <span class="c">#</span>
  13 <span class="c"># MayaChemTools is free software; you can redistribute it and/or modify it under</span>
  14 <span class="c"># the terms of the GNU Lesser General Public License as published by the Free</span>
  15 <span class="c"># Software Foundation; either version 3 of the License, or (at your option) any</span>
  16 <span class="c"># later version.</span>
  17 <span class="c">#</span>
  18 <span class="c"># MayaChemTools is distributed in the hope that it will be useful, but without</span>
  19 <span class="c"># any warranty; without even the implied warranty of merchantability of fitness</span>
  20 <span class="c"># for a particular purpose.  See the GNU Lesser General Public License for more</span>
  21 <span class="c"># details.</span>
  22 <span class="c">#</span>
  23 <span class="c"># You should have received a copy of the GNU Lesser General Public License</span>
  24 <span class="c"># along with MayaChemTools; if not, see &lt;http://www.gnu.org/licenses/&gt; or</span>
  25 <span class="c"># write to the Free Software Foundation Inc., 59 Temple Place, Suite 330,</span>
  26 <span class="c"># Boston, MA, 02111-1307, USA.</span>
  27 <span class="c">#</span>
  28 
  29 <span class="k">use</span> <span class="w">strict</span><span class="sc">;</span>
  30 <span class="k">use</span> <span class="w">FindBin</span><span class="sc">;</span> <span class="k">use</span> <span class="w">lib</span> <span class="q">&quot;$FindBin::Bin/../lib&quot;</span><span class="sc">;</span>
  31 <span class="k">use</span> <span class="w">Getopt::Long</span><span class="sc">;</span>
  32 <span class="k">use</span> <span class="w">File::Basename</span><span class="sc">;</span>
  33 <span class="k">use</span> <span class="w">Text::ParseWords</span><span class="sc">;</span>
  34 <span class="k">use</span> <span class="w">Benchmark</span><span class="sc">;</span>
  35 <span class="k">use</span> <span class="w">FileHandle</span><span class="sc">;</span>
  36 <span class="k">use</span> <span class="w">SDFileUtil</span><span class="sc">;</span>
  37 <span class="k">use</span> <span class="w">FileUtil</span><span class="sc">;</span>
  38 <span class="k">use</span> <span class="w">TextUtil</span><span class="sc">;</span>
  39 
  40 <span class="k">my</span><span class="s">(</span><span class="i">$ScriptName</span><span class="cm">,</span> <span class="i">%Options</span><span class="cm">,</span> <span class="i">$StartTime</span><span class="cm">,</span> <span class="i">$EndTime</span><span class="cm">,</span> <span class="i">$TotalTime</span><span class="s">)</span><span class="sc">;</span>
  41 
  42 <span class="c"># Autoflush STDOUT</span>
  43 <span class="i">$|</span> = <span class="n">1</span><span class="sc">;</span>
  44 
  45 <span class="c"># Starting message...</span>
  46 <span class="i">$ScriptName</span> = <span class="w">basename</span> <span class="i">$0</span><span class="sc">;</span>
  47 <span class="k">print</span> <span class="q">&quot;\n$ScriptName:Starting...\n\n&quot;</span><span class="sc">;</span>
  48 <span class="i">$StartTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span>
  49 
  50 <span class="c"># Get the options and setup script...</span>
  51 <span class="i">SetupScriptUsage</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  52 <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">help</span>} || <span class="i">@ARGV</span> &lt; <span class="n">1</span><span class="s">)</span> <span class="s">{</span>
  53   <span class="k">die</span> <span class="i">GetUsageFromPod</span><span class="s">(</span><span class="q">&quot;$FindBin::Bin/$ScriptName&quot;</span><span class="s">)</span><span class="sc">;</span>
  54 <span class="s">}</span>
  55 
  56 <span class="k">my</span><span class="s">(</span><span class="i">$SDFile</span><span class="cm">,</span> <span class="i">@TextFilesList</span><span class="s">)</span><span class="sc">;</span>
  57 <span class="i">@TextFilesList</span> = <span class="i">ExpandFileNames</span><span class="s">(</span>\<span class="i">@ARGV</span><span class="cm">,</span> <span class="q">&quot;csv tsv&quot;</span><span class="s">)</span><span class="sc">;</span>
  58 
  59 <span class="k">if</span> <span class="s">(</span><span class="i">@TextFilesList</span> &lt; <span class="n">2</span><span class="s">)</span> <span class="s">{</span>
  60   <span class="k">die</span> <span class="q">&quot;Error: Specify one or more text files.\n&quot;</span><span class="sc">;</span>
  61 <span class="s">}</span>
  62 <span class="i">$SDFile</span> = <span class="k">shift</span> <span class="i">@TextFilesList</span><span class="sc">;</span>
  63 
  64 <span class="c"># Process options...</span>
  65 <span class="k">print</span> <span class="q">&quot;Processing options...\n&quot;</span><span class="sc">;</span>
  66 <span class="k">my</span><span class="s">(</span><span class="i">%OptionsInfo</span><span class="s">)</span><span class="sc">;</span>
  67 <span class="i">ProcessOptions</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  68 
  69 <span class="c"># Setup information about input files...</span>
  70 <span class="k">print</span> <span class="q">&quot;Checking input SD and text files...\n&quot;</span><span class="sc">;</span>
  71 <span class="k">my</span><span class="s">(</span><span class="i">%TextFilesInfo</span><span class="s">)</span><span class="sc">;</span>
  72 <span class="i">ProcessSDFileInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  73 <span class="i">RetrieveTextFilesInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  74 <span class="i">RetrieveColumnsAndKeysInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  75 
  76 <span class="c"># Merge files...</span>
  77 <span class="k">print</span> <span class="q">&quot;\nGenerating new SD file $OptionsInfo{NewSDFile}...\n&quot;</span><span class="sc">;</span>
  78 <span class="i">MergeTextFilesWithSD</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  79 
  80 <span class="k">print</span> <span class="q">&quot;\n$ScriptName:Done...\n\n&quot;</span><span class="sc">;</span>
  81 
  82 <span class="i">$EndTime</span> = <span class="w">new</span> <span class="w">Benchmark</span><span class="sc">;</span>
  83 <span class="i">$TotalTime</span> = <span class="w">timediff</span> <span class="s">(</span><span class="i">$EndTime</span><span class="cm">,</span> <span class="i">$StartTime</span><span class="s">)</span><span class="sc">;</span>
  84 <span class="k">print</span> <span class="q">&quot;Total time: &quot;</span><span class="cm">,</span> <span class="i">timestr</span><span class="s">(</span><span class="i">$TotalTime</span><span class="s">)</span><span class="cm">,</span> <span class="q">&quot;\n&quot;</span><span class="sc">;</span>
  85 
  86 <span class="c">###############################################################################</span>
  87 
  88 <span class="c"># Merge all valid Text files with SD file...</span>
<a name="MergeTextFilesWithSD-"></a>  89 <span class="k">sub </span><span class="m">MergeTextFilesWithSD</span> <span class="s">{</span>
  90   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$Line</span><span class="s">)</span><span class="sc">;</span>
  91 
  92   <span class="k">open</span> <span class="w">NEWSDFILE</span><span class="cm">,</span> <span class="q">&quot;&gt;$OptionsInfo{NewSDFile}&quot;</span> <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Error: Couldn&#39;t open $OptionsInfo{NewSDFile}: $! \n&quot;</span><span class="sc">;</span>
  93 
  94   <span class="k">open</span> <span class="w">SDFILE</span><span class="cm">,</span> <span class="q">&quot;$SDFile&quot;</span> <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Error: Couldn&#39;t open $SDFile: $! \n&quot;</span><span class="sc">;</span>
  95 
  96   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
  97   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
  98     <span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}[<span class="i">$Index</span>] = <span class="w">new</span> <span class="w">FileHandle</span><span class="sc">;</span>
  99 
 100     <span class="k">open</span> <span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}[<span class="i">$Index</span>]<span class="cm">,</span> <span class="q">&quot;$TextFilesList[$Index]&quot;</span> <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Error: Couldn&#39;t open $TextFilesList[$Index]: $! \n&quot;</span><span class="sc">;</span>
 101     <span class="i">GetTextLine</span><span class="s">(</span><span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}[<span class="i">$Index</span>]<span class="s">)</span><span class="sc">;</span>
 102   <span class="s">}</span>
 103 
 104   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Keys</span>}<span class="s">)</span> <span class="s">{</span>
 105     <span class="i">MergeTextColumnValuesUsingKeys</span><span class="s">(</span>\<span class="i">*NEWSDFILE</span><span class="cm">,</span> \<span class="i">*SDFILE</span><span class="s">)</span><span class="sc">;</span>
 106   <span class="s">}</span>
 107   <span class="k">else</span> <span class="s">{</span>
 108     <span class="i">MergeTextColumnValues</span><span class="s">(</span>\<span class="i">*NEWSDFILE</span><span class="cm">,</span> \<span class="i">*SDFILE</span><span class="s">)</span><span class="sc">;</span>
 109   <span class="s">}</span>
 110 
 111   <span class="c"># Close all opened files...</span>
 112   <span class="k">close</span> <span class="w">NEWSDFILE</span><span class="sc">;</span>
 113   <span class="k">close</span> <span class="w">SDFILE</span><span class="sc">;</span>
 114   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 115     <span class="k">close</span> <span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 116   <span class="s">}</span>
 117 <span class="s">}</span>
 118 
 119 <span class="c"># Merge the specified text columns into SD file...</span>
<a name="MergeTextColumnValues-"></a> 120 <span class="k">sub </span><span class="m">MergeTextColumnValues</span> <span class="s">{</span>
 121   <span class="k">my</span><span class="s">(</span><span class="i">$NewSDFileRef</span><span class="cm">,</span> <span class="i">$SDFileRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 122   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$CmpdString</span><span class="cm">,</span> <span class="i">$Line</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">$ColIndex</span><span class="cm">,</span> <span class="i">@ColLabels</span><span class="cm">,</span> <span class="i">@ColValues</span><span class="cm">,</span> <span class="i">@LineWords</span><span class="s">)</span><span class="sc">;</span>
 123 
 124   <span class="k">while</span> <span class="s">(</span><span class="i">$CmpdString</span> = <span class="i">ReadCmpdString</span><span class="s">(</span><span class="i">$SDFileRef</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 125     <span class="i">$CmpdString</span> =~ <span class="q">s/\$\$\$\$$//g</span><span class="sc">;</span>
 126     <span class="k">print</span> <span class="i">$NewSDFileRef</span> <span class="q">&quot;$CmpdString&quot;</span><span class="sc">;</span>
 127 
 128     <span class="c"># Merge coulmn values from other text files...</span>
 129     <span class="i">@ColLabels</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> <span class="i">@ColValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 130     <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 131       <span class="k">push</span> <span class="i">@ColLabels</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}[<span class="i">$Index</span>]}<span class="sc">;</span>
 132       <span class="i">$InDelim</span> = <span class="i">$TextFilesInfo</span>{<span class="w">InDelim</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 133 
 134       <span class="k">if</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">GetTextLine</span><span class="s">(</span><span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}[<span class="i">$Index</span>]<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 135         <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>
 136 
 137         <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="s">)</span> <span class="s">{</span>
 138           <span class="i">$Value</span> = <span class="s">(</span><span class="i">$ColNum</span> &lt; <span class="i">@LineWords</span><span class="s">)</span> ? <span class="i">$LineWords</span>[<span class="i">$ColNum</span>] <span class="co">:</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
 139           <span class="k">push</span> <span class="i">@ColValues</span><span class="cm">,</span> <span class="i">$Value</span><span class="sc">;</span>
 140         <span class="s">}</span>
 141       <span class="s">}</span>
 142     <span class="s">}</span>
 143 
 144     <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#ColLabels</span><span class="s">)</span> <span class="s">{</span>
 145       <span class="k">print</span> <span class="i">$NewSDFileRef</span> <span class="q">&quot;&gt; &lt;$ColLabels[$ColIndex]&gt;\n$ColValues[$ColIndex]\n\n&quot;</span><span class="sc">;</span>
 146     <span class="s">}</span>
 147     <span class="k">print</span> <span class="i">$NewSDFileRef</span> <span class="q">&quot;\$\$\$\$\n&quot;</span><span class="sc">;</span>
 148   <span class="s">}</span>
 149 <span class="s">}</span>
 150 
 151 <span class="c"># Merge the specified text columns into SD file using keys...</span>
<a name="MergeTextColumnValuesUsingKeys-"></a> 152 <span class="k">sub </span><span class="m">MergeTextColumnValuesUsingKeys</span> <span class="s">{</span>
 153   <span class="k">my</span><span class="s">(</span><span class="i">$NewSDFileRef</span><span class="cm">,</span> <span class="i">$SDFileRef</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
 154   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$CmpdString</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="cm">,</span> <span class="i">$KeyColNum</span><span class="cm">,</span> <span class="i">$KeyColValue</span><span class="cm">,</span> <span class="i">$Line</span><span class="cm">,</span> <span class="i">$ColIndex</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">@ColLabels</span><span class="cm">,</span> <span class="i">@ColValues</span><span class="cm">,</span> <span class="i">@LineWords</span><span class="cm">,</span> <span class="i">@CmpdLines</span><span class="cm">,</span> <span class="i">@TextFilesKeysToLinesMap</span><span class="cm">,</span> <span class="i">%DataFieldValues</span><span class="s">)</span><span class="sc">;</span>
 155 
 156   <span class="c"># Retrieve text lines from all the text files...</span>
 157   <span class="i">@TextFilesKeysToLinesMap</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 158 
 159   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 160     <span class="i">$InDelim</span> = <span class="i">$TextFilesInfo</span>{<span class="w">InDelim</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 161     <span class="i">%</span>{<span class="i">$TextFilesKeysToLinesMap</span>[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 162     <span class="i">$KeyColNum</span> = <span class="i">$TextFilesInfo</span>{<span class="w">KeysToUse</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 163 
 164     <span class="k">while</span> <span class="s">(</span><span class="i">$Line</span> = <span class="i">GetTextLine</span><span class="s">(</span><span class="i">$TextFilesInfo</span>{<span class="w">FileHandle</span>}[<span class="i">$Index</span>]<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 165       <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>
 166 
 167       <span class="k">if</span> <span class="s">(</span><span class="i">$KeyColNum</span> &lt; <span class="i">@LineWords</span><span class="s">)</span> <span class="s">{</span>
 168         <span class="i">$KeyColValue</span> = <span class="i">$LineWords</span>[<span class="i">$KeyColNum</span>]<span class="sc">;</span>
 169 
 170         <span class="k">if</span> <span class="s">(</span><span class="k">length</span><span class="s">(</span><span class="i">$KeyColValue</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 171           <span class="k">if</span> <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$TextFilesKeysToLinesMap</span>[<span class="i">$Index</span>]{<span class="i">$KeyColValue</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 172             <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring line, $Line, in text file $TextFilesList[$Index]: Column key value, $KeyColValue, already exists\n&quot;</span><span class="sc">;</span>
 173           <span class="s">}</span>
 174           <span class="k">else</span> <span class="s">{</span>
 175             <span class="i">@</span>{<span class="i">$TextFilesKeysToLinesMap</span>[<span class="i">$Index</span>]{<span class="i">$KeyColValue</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 176             <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesKeysToLinesMap</span>[<span class="i">$Index</span>]{<span class="i">$KeyColValue</span>}}<span class="cm">,</span> <span class="i">@LineWords</span><span class="sc">;</span>
 177           <span class="s">}</span>
 178         <span class="s">}</span>
 179       <span class="s">}</span>
 180     <span class="s">}</span>
 181   <span class="s">}</span>
 182 
 183   <span class="k">while</span> <span class="s">(</span><span class="i">$CmpdString</span> = <span class="i">ReadCmpdString</span><span class="s">(</span><span class="i">$SDFileRef</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 184     <span class="i">@CmpdLines</span> = <span class="k">split</span> <span class="q">&quot;\n&quot;</span><span class="cm">,</span> <span class="i">$CmpdString</span><span class="sc">;</span>
 185     <span class="i">%DataFieldValues</span> = <span class="i">GetCmpdDataHeaderLabelsAndValues</span><span class="s">(</span>\<span class="i">@CmpdLines</span><span class="s">)</span><span class="sc">;</span>
 186 
 187     <span class="k">if</span> <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$DataFieldValues</span>{<span class="i">$OptionsInfo</span>{<span class="w">SDKey</span>}}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 188       <span class="i">@ColLabels</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> <span class="i">@ColValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 189       <span class="i">$CmpdString</span> =~ <span class="q">s/\$\$\$\$$//g</span><span class="sc">;</span>
 190       <span class="k">print</span> <span class="i">$NewSDFileRef</span> <span class="q">&quot;$CmpdString&quot;</span><span class="sc">;</span>
 191 
 192       <span class="i">$KeyColValue</span> = <span class="i">$DataFieldValues</span>{<span class="i">$OptionsInfo</span>{<span class="w">SDKey</span>}}<span class="sc">;</span>
 193 
 194       <span class="c"># Merge coulmn values from other text files...</span>
 195       <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 196         <span class="k">push</span> <span class="i">@ColLabels</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}[<span class="i">$Index</span>]}<span class="sc">;</span>
 197         <span class="i">@LineWords</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 198 
 199         <span class="k">if</span> <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$TextFilesKeysToLinesMap</span>[<span class="i">$Index</span>]{<span class="i">$KeyColValue</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 200           <span class="k">push</span> <span class="i">@LineWords</span><span class="cm">,</span> <span class="i">@</span>{<span class="i">$TextFilesKeysToLinesMap</span>[<span class="i">$Index</span>]{<span class="i">$KeyColValue</span>}}<span class="sc">;</span>
 201         <span class="s">}</span>
 202 
 203         <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="s">)</span> <span class="s">{</span>
 204           <span class="i">$Value</span> = <span class="s">(</span><span class="i">$ColNum</span> &lt; <span class="i">@LineWords</span><span class="s">)</span> ? <span class="i">$LineWords</span>[<span class="i">$ColNum</span>] <span class="co">:</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
 205           <span class="k">push</span> <span class="i">@ColValues</span><span class="cm">,</span> <span class="i">$Value</span><span class="sc">;</span>
 206         <span class="s">}</span>
 207       <span class="s">}</span>
 208 
 209       <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#ColLabels</span><span class="s">)</span> <span class="s">{</span>
 210         <span class="i">$Value</span> = <span class="s">(</span><span class="s">(</span><span class="i">$ColIndex</span> &lt; <span class="i">@ColValues</span><span class="s">)</span> &amp;&amp; <span class="i">IsNotEmpty</span><span class="s">(</span><span class="i">$ColValues</span>[<span class="i">$ColIndex</span>]<span class="s">)</span> <span class="s">)</span> ? <span class="i">$ColValues</span>[<span class="i">$ColIndex</span>] <span class="co">:</span> <span class="q">&quot;&quot;</span><span class="sc">;</span>
 211         <span class="k">print</span> <span class="i">$NewSDFileRef</span> <span class="q">&quot;&gt; &lt;$ColLabels[$ColIndex]&gt;\n$Value\n\n&quot;</span><span class="sc">;</span>
 212       <span class="s">}</span>
 213       <span class="k">print</span> <span class="i">$NewSDFileRef</span> <span class="q">&quot;\$\$\$\$\n&quot;</span><span class="sc">;</span>
 214     <span class="s">}</span>
 215   <span class="s">}</span>
 216 <span class="s">}</span>
 217 
 218 <span class="c"># Retrieve text file columns and keys information for specified options...</span>
<a name="RetrieveColumnsAndKeysInfo-"></a> 219 <span class="k">sub </span><span class="m">RetrieveColumnsAndKeysInfo</span> <span class="s">{</span>
 220   <span class="i">ProcessColumnsInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 221 
 222   <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Keys</span>}<span class="s">)</span> <span class="s">{</span>
 223     <span class="i">ProcessKeysInfo</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 224   <span class="s">}</span>
 225 <span class="s">}</span>
 226 
 227 <span class="c"># Process specified columns...</span>
<a name="ProcessColumnsInfo-"></a> 228 <span class="k">sub </span><span class="m">ProcessColumnsInfo</span> <span class="s">{</span>
 229   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$Values</span><span class="cm">,</span> <span class="i">$ColIndex</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">$ColLabel</span><span class="cm">,</span> <span class="i">@Words</span><span class="s">)</span><span class="sc">;</span>
 230 
 231   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 232   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 233   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 234   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeNumToLabelMap</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 235 
 236   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 237 
 238     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 239 
 240     <span class="i">$Values</span> = <span class="q">&quot;all&quot;</span><span class="sc">;</span>
 241     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Columns</span>}<span class="s">)</span> <span class="s">{</span>
 242       <span class="i">$Values</span> = <span class="i">$OptionsInfo</span>{<span class="w">ColValues</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 243     <span class="s">}</span>
 244 
 245     <span class="k">if</span> <span class="s">(</span><span class="i">$Values</span> =~ <span class="q">/all/i</span><span class="s">)</span> <span class="s">{</span>
 246       <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^colnum$/i</span><span class="s">)</span> <span class="s">{</span>
 247         <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="n">1</span> .. <span class="i">$TextFilesInfo</span>{<span class="w">ColCount</span>}[<span class="i">$Index</span>]<span class="s">)</span> <span class="s">{</span>
 248           <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">$ColNum</span><span class="sc">;</span>
 249         <span class="s">}</span>
 250       <span class="s">}</span> <span class="k">else</span> <span class="s">{</span>
 251         <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColLabels</span>}[<span class="i">$Index</span>]}<span class="sc">;</span>
 252       <span class="s">}</span>
 253     <span class="s">}</span>
 254     <span class="k">else</span> <span class="s">{</span>
 255       <span class="i">@Words</span> = <span class="k">split</span> <span class="q">&quot;,&quot;</span><span class="cm">,</span> <span class="i">$Values</span><span class="sc">;</span>
 256       <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">@Words</span><span class="sc">;</span>
 257     <span class="s">}</span>
 258 
 259     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 260     <span class="i">%</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeNumToLabelMap</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 261 
 262     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^collabel$/i</span><span class="s">)</span> <span class="s">{</span>
 263       <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>]}<span class="s">)</span> <span class="s">{</span>
 264         <span class="i">$ColLabel</span> = <span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>][<span class="i">$ColIndex</span>]<span class="sc">;</span>
 265 
 266         <span class="k">if</span> <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColLabel</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 267           <span class="i">$ColNum</span> = <span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColLabel</span>}<span class="sc">;</span>
 268           <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">$ColNum</span><span class="sc">;</span>
 269           <span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeNumToLabelMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColNum</span>} = <span class="i">$ColLabel</span><span class="sc">;</span>
 270         <span class="s">}</span>
 271         <span class="k">else</span> <span class="s">{</span>
 272           <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring value, $ColLabel, specified using \&quot;-c --column\&quot; option: column name doesn&#39;t exist in  $TextFilesList[$Index]  \n&quot;</span><span class="sc">;</span>
 273         <span class="s">}</span>
 274       <span class="s">}</span>
 275     <span class="s">}</span>
 276     <span class="k">else</span> <span class="s">{</span>
 277       <span class="k">for</span> <span class="i">$ColIndex</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>]}<span class="s">)</span> <span class="s">{</span>
 278         <span class="i">$ColNum</span> = <span class="i">$TextFilesInfo</span>{<span class="w">ColSpecified</span>}[<span class="i">$Index</span>][<span class="i">$ColIndex</span>]<span class="sc">;</span>
 279 
 280         <span class="c"># Make sure it&#39;s a numeric value...</span>
 281         <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$ColNum</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 282           <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring value, $ColNum, specified using \&quot;-c --column\&quot; option:  Allowed integer values: &gt; 0\n&quot;</span><span class="sc">;</span>
 283         <span class="s">}</span>
 284         <span class="k">else</span> <span class="s">{</span>
 285           <span class="k">if</span> <span class="s">(</span><span class="i">$ColNum</span> &gt; <span class="n">0</span> &amp;&amp; <span class="i">$ColNum</span> &lt;= <span class="i">$TextFilesInfo</span>{<span class="w">ColCount</span>}[<span class="i">$Index</span>]<span class="s">)</span> <span class="s">{</span>
 286             <span class="i">$ColNum</span> -= <span class="n">1</span><span class="sc">;</span>
 287             <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">$ColNum</span><span class="sc">;</span>
 288             <span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeNumToLabelMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColNum</span>} = <span class="i">$TextFilesInfo</span>{<span class="w">ColLabels</span>}[<span class="i">$Index</span>][<span class="i">$ColNum</span>]<span class="sc">;</span>
 289           <span class="s">}</span>
 290           <span class="k">else</span> <span class="s">{</span>
 291             <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring value, $ColNum, specified using \&quot;-c --column\&quot; option: column number doesn&#39;t exist in  $TextFilesList[$Index]  \n&quot;</span><span class="sc">;</span>
 292           <span class="s">}</span>
 293         <span class="s">}</span>
 294       <span class="s">}</span>
 295     <span class="s">}</span>
 296 
 297     <span class="k">my</span> <span class="s">(</span><span class="i">@TextFilesColToMergeSorted</span><span class="s">)</span> = <span class="k">sort</span> <span class="s">{</span> <span class="i">$a</span> &lt;=&gt; <span class="i">$b</span> <span class="s">}</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="sc">;</span>
 298 
 299     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 300     <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">@TextFilesColToMergeSorted</span><span class="sc">;</span>
 301 
 302     <span class="c"># Set up the labels...</span>
 303     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 304     <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="i">@TextFilesColToMergeSorted</span><span class="s">)</span> <span class="s">{</span>
 305       <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeNumToLabelMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColNum</span>}<span class="sc">;</span>
 306     <span class="s">}</span>
 307   <span class="s">}</span>
 308 <span class="s">}</span>
 309 
 310 <span class="c"># Process specified keys....</span>
<a name="ProcessKeysInfo-"></a> 311 <span class="k">sub </span><span class="m">ProcessKeysInfo</span> <span class="s">{</span>
 312   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">$ColLabel</span><span class="cm">,</span> <span class="i">$Key</span><span class="s">)</span><span class="sc">;</span>
 313 
 314   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">KeysSpecified</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 315   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">KeysToUse</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 316 
 317   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 318     <span class="i">$Key</span> = <span class="i">$OptionsInfo</span>{<span class="w">KeyValues</span>}[<span class="i">$Index</span>]<span class="sc">;</span>
 319 
 320     <span class="i">$TextFilesInfo</span>{<span class="w">KeysSpecified</span>}[<span class="i">$Index</span>] = <span class="i">$Key</span><span class="sc">;</span>
 321     <span class="i">$TextFilesInfo</span>{<span class="w">KeysToUse</span>}[<span class="i">$Index</span>] = <span class="n">-1</span><span class="sc">;</span>
 322 
 323     <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} =~ <span class="q">/^collabel$/i</span><span class="s">)</span> <span class="s">{</span>
 324       <span class="i">$ColLabel</span> = <span class="i">$Key</span><span class="sc">;</span>
 325 
 326       <span class="k">if</span> <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColLabel</span>}<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 327         <span class="i">$TextFilesInfo</span>{<span class="w">KeysToUse</span>}[<span class="i">$Index</span>] =  <span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColLabel</span>}<span class="sc">;</span>
 328       <span class="s">}</span>
 329       <span class="k">else</span> <span class="s">{</span>
 330         <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring value, $ColLabel, specified using \&quot;-k --keys\&quot; option: column name doesn&#39;t exist in  $TextFilesList[$Index]  \n&quot;</span><span class="sc">;</span>
 331       <span class="s">}</span>
 332     <span class="s">}</span>
 333     <span class="k">else</span> <span class="s">{</span>
 334       <span class="i">$ColNum</span> = <span class="i">$Key</span><span class="sc">;</span>
 335       <span class="k">if</span> <span class="s">(</span>!<span class="i">IsPositiveInteger</span><span class="s">(</span><span class="i">$ColNum</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 336         <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring value, $ColNum, specified using \&quot;-k --keys\&quot; option: Allowed integer values: &gt; 0  \n&quot;</span><span class="sc">;</span>
 337       <span class="s">}</span>
 338       <span class="k">else</span> <span class="s">{</span>
 339         <span class="k">if</span> <span class="s">(</span><span class="i">$ColNum</span> &gt; <span class="n">0</span> &amp;&amp; <span class="i">$ColNum</span> &lt;= <span class="i">$TextFilesInfo</span>{<span class="w">ColCount</span>}[<span class="i">$Index</span>]<span class="s">)</span> <span class="s">{</span>
 340           <span class="i">$TextFilesInfo</span>{<span class="w">KeysToUse</span>}[<span class="i">$Index</span>] = <span class="i">$ColNum</span> - <span class="n">1</span><span class="sc">;</span>
 341         <span class="s">}</span>
 342         <span class="k">else</span> <span class="s">{</span>
 343           <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring value, $ColNum, specified using \&quot;-k --keys\&quot; option: column number doesn&#39;t exist in  $TextFilesList[$Index]  \n&quot;</span><span class="sc">;</span>
 344         <span class="s">}</span>
 345       <span class="s">}</span>
 346     <span class="s">}</span>
 347   <span class="s">}</span>
 348 
 349   <span class="c"># Modify columns to merge list to make sure the columns identified by key are taken off the list</span>
 350   <span class="k">my</span><span class="s">(</span><span class="i">@TextFilesColToMergeFiltered</span><span class="cm">,</span> <span class="i">@TextFilesColToMergeLabelsFiltered</span><span class="s">)</span><span class="sc">;</span>
 351 
 352   <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 353     <span class="i">@TextFilesColToMergeFiltered</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 354     <span class="i">@TextFilesColToMergeLabelsFiltered</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 355 
 356     <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="s">)</span> <span class="s">{</span>
 357       <span class="k">if</span> <span class="s">(</span><span class="i">$TextFilesInfo</span>{<span class="w">KeysToUse</span>}[<span class="i">$Index</span>] != <span class="i">$ColNum</span><span class="s">)</span> <span class="s">{</span>
 358         <span class="k">push</span> <span class="i">@TextFilesColToMergeFiltered</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="sc">;</span>
 359         <span class="k">push</span> <span class="i">@TextFilesColToMergeLabelsFiltered</span><span class="cm">,</span> <span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeNumToLabelMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColNum</span>}<span class="sc">;</span>
 360       <span class="s">}</span>
 361     <span class="s">}</span>
 362 
 363     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 364     <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMerge</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">@TextFilesColToMergeFiltered</span><span class="sc">;</span>
 365 
 366     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 367     <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColToMergeLabels</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">@TextFilesColToMergeLabelsFiltered</span><span class="sc">;</span>
 368   <span class="s">}</span>
 369 <span class="s">}</span>
 370 
 371 <span class="c"># Check SD file...</span>
<a name="ProcessSDFileInfo-"></a> 372 <span class="k">sub </span><span class="m">ProcessSDFileInfo</span> <span class="s">{</span>
 373   <span class="k">if</span> <span class="s">(</span>!<span class="i">CheckFileType</span><span class="s">(</span><span class="i">$SDFile</span><span class="cm">,</span> <span class="q">&quot;sd sdf&quot;</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 374     <span class="k">die</span> <span class="q">&quot;Error: Invalid first file $SDFile: It&#39;s not a SD file\n&quot;</span><span class="sc">;</span>
 375   <span class="s">}</span>
 376   <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">-e</span> <span class="i">$SDFile</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 377     <span class="k">die</span> <span class="q">&quot;Error: SDFile $SDFile doesn&#39;t exist\n&quot;</span><span class="sc">;</span>
 378   <span class="s">}</span>
 379 <span class="s">}</span>
 380 
 381 <span class="c"># Retrieve information about input text files...</span>
<a name="RetrieveTextFilesInfo-"></a> 382 <span class="k">sub </span><span class="m">RetrieveTextFilesInfo</span> <span class="s">{</span>
 383   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$TextFile</span><span class="cm">,</span> <span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="cm">,</span> <span class="i">$InDelim</span><span class="cm">,</span> <span class="i">$Line</span><span class="cm">,</span> <span class="i">$ColNum</span><span class="cm">,</span> <span class="i">$ColLabel</span><span class="cm">,</span> <span class="i">$FileNotOkayCount</span><span class="cm">,</span> <span class="i">@ColLabels</span><span class="cm">,</span><span class="s">)</span><span class="sc">;</span>
 384 
 385   <span class="i">%TextFilesInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 386 
 387   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">FileOkay</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 388   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColCount</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 389   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColLabels</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 390   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 391   <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">InDelim</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 392 
 393   <span class="i">$FileNotOkayCount</span> = <span class="n">0</span><span class="sc">;</span>
 394 
 395   <span class="j">FILELIST:</span> <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 396     <span class="i">$TextFile</span> = <span class="i">$TextFilesList</span>[<span class="i">$Index</span>]<span class="sc">;</span>
 397 
 398     <span class="i">$TextFilesInfo</span>{<span class="w">FileOkay</span>}[<span class="i">$Index</span>] = <span class="n">0</span><span class="sc">;</span>
 399     <span class="i">$TextFilesInfo</span>{<span class="w">ColCount</span>}[<span class="i">$Index</span>] = <span class="n">0</span><span class="sc">;</span>
 400     <span class="i">$TextFilesInfo</span>{<span class="w">InDelim</span>}[<span class="i">$Index</span>] = <span class="q">&quot;&quot;</span><span class="sc">;</span>
 401 
 402     <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColLabels</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 403     <span class="i">%</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}[<span class="i">$Index</span>]} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 404 
 405     <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">-e</span> <span class="i">$TextFile</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 406       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $TextFile: It doesn&#39;t exist\n&quot;</span><span class="sc">;</span>
 407       <span class="i">$FileNotOkayCount</span>++<span class="sc">;</span>
 408       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 409     <span class="s">}</span>
 410     <span class="k">if</span> <span class="s">(</span>!<span class="i">CheckFileType</span><span class="s">(</span><span class="i">$TextFile</span><span class="cm">,</span> <span class="q">&quot;csv tsv&quot;</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 411       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $TextFile: It&#39;s not a csv or tsv file\n&quot;</span><span class="sc">;</span>
 412       <span class="i">$FileNotOkayCount</span>++<span class="sc">;</span>
 413       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 414     <span class="s">}</span>
 415     <span class="s">(</span><span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$TextFile</span><span class="s">)</span><span class="sc">;</span>
 416     <span class="k">if</span> <span class="s">(</span><span class="i">$FileExt</span> =~ <span class="q">/^tsv$/i</span><span class="s">)</span> <span class="s">{</span>
 417       <span class="i">$InDelim</span> = <span class="q">&quot;\t&quot;</span><span class="sc">;</span>
 418     <span class="s">}</span>
 419     <span class="k">else</span> <span class="s">{</span>
 420       <span class="i">$InDelim</span> = <span class="q">&quot;\,&quot;</span><span class="sc">;</span>
 421       <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">InDelim</span>} !~ <span class="q">/^(comma|semicolon)$/i</span><span class="s">)</span> <span class="s">{</span>
 422         <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $TextFile: The value specified, $OptionsInfo{InDelim}, for option \&quot;--indelim\&quot; is not valid for csv files\n&quot;</span><span class="sc">;</span>
 423         <span class="i">$FileNotOkayCount</span>++<span class="sc">;</span>
 424         <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 425       <span class="s">}</span>
 426       <span class="k">if</span> <span class="s">(</span><span class="i">$OptionsInfo</span>{<span class="w">InDelim</span>} =~ <span class="q">/^semicolon$/i</span><span class="s">)</span> <span class="s">{</span>
 427         <span class="i">$InDelim</span> = <span class="q">&quot;\;&quot;</span><span class="sc">;</span>
 428       <span class="s">}</span>
 429     <span class="s">}</span>
 430 
 431     <span class="k">if</span> <span class="s">(</span>!<span class="k">open</span> <span class="w">TEXTFILE</span><span class="cm">,</span> <span class="q">&quot;$TextFile&quot;</span><span class="s">)</span> <span class="s">{</span>
 432       <span class="k">warn</span> <span class="q">&quot;Warning: Ignoring file $TextFile: Couldn&#39;t open it: $! \n&quot;</span><span class="sc">;</span>
 433       <span class="i">$FileNotOkayCount</span>++<span class="sc">;</span>
 434       <span class="k">next</span> <span class="j">FILELIST</span><span class="sc">;</span>
 435     <span class="s">}</span>
 436 
 437     <span class="i">$Line</span> = <span class="i">GetTextLine</span><span class="s">(</span>\<span class="i">*TEXTFILE</span><span class="s">)</span><span class="sc">;</span>
 438     <span class="i">@ColLabels</span> = <span class="i">quotewords</span><span class="s">(</span><span class="i">$InDelim</span><span class="cm">,</span> <span class="n">0</span><span class="cm">,</span> <span class="i">$Line</span><span class="s">)</span><span class="sc">;</span>
 439     <span class="k">close</span> <span class="w">TEXTFILE</span><span class="sc">;</span>
 440 
 441     <span class="i">$TextFilesInfo</span>{<span class="w">FileOkay</span>}[<span class="i">$Index</span>] = <span class="n">1</span><span class="sc">;</span>
 442     <span class="i">$TextFilesInfo</span>{<span class="w">InDelim</span>}[<span class="i">$Index</span>] = <span class="i">$InDelim</span><span class="sc">;</span>
 443 
 444     <span class="i">$TextFilesInfo</span>{<span class="w">ColCount</span>}[<span class="i">$Index</span>] = <span class="i">@ColLabels</span><span class="sc">;</span>
 445     <span class="k">push</span> <span class="i">@</span>{<span class="i">$TextFilesInfo</span>{<span class="w">ColLabels</span>}[<span class="i">$Index</span>]}<span class="cm">,</span> <span class="i">@ColLabels</span><span class="sc">;</span>
 446     <span class="k">for</span> <span class="i">$ColNum</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#ColLabels</span><span class="s">)</span> <span class="s">{</span>
 447       <span class="i">$ColLabel</span> = <span class="i">$ColLabels</span>[<span class="i">$ColNum</span>]<span class="sc">;</span>
 448       <span class="i">$TextFilesInfo</span>{<span class="w">ColLabelToNumMap</span>}[<span class="i">$Index</span>]{<span class="i">$ColLabel</span>} = <span class="i">$ColNum</span><span class="sc">;</span>
 449     <span class="s">}</span>
 450   <span class="s">}</span>
 451   <span class="c"># Make sure all specified files are valid for merging to work properly...</span>
 452   <span class="k">if</span> <span class="s">(</span><span class="i">$FileNotOkayCount</span><span class="s">)</span> <span class="s">{</span>
 453     <span class="k">die</span> <span class="q">&quot;Error: Problems with input text file(s)...\n&quot;</span><span class="sc">;</span>
 454   <span class="s">}</span>
 455 <span class="s">}</span>
 456 
 457 <span class="c"># Process option values...</span>
<a name="ProcessOptions-"></a> 458 <span class="k">sub </span><span class="m">ProcessOptions</span> <span class="s">{</span>
 459   <span class="k">my</span><span class="s">(</span><span class="i">$Index</span><span class="cm">,</span> <span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="cm">,</span> <span class="i">$NewSDFile</span><span class="cm">,</span> <span class="i">@ColValues</span><span class="cm">,</span> <span class="i">@KeyValues</span><span class="s">)</span><span class="sc">;</span>
 460 
 461   <span class="i">%OptionsInfo</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 462 
 463   <span class="i">$OptionsInfo</span>{<span class="w">Mode</span>} = <span class="i">$Options</span>{<span class="w">mode</span>}<span class="sc">;</span>
 464 
 465   <span class="i">$OptionsInfo</span>{<span class="w">Columns</span>} = <span class="i">$Options</span>{<span class="w">columns</span>}<span class="sc">;</span>
 466   <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">ColValues</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 467 
 468   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">columns</span>}<span class="s">)</span> <span class="s">{</span>
 469     <span class="i">@ColValues</span> = <span class="k">split</span> <span class="q">&quot;;&quot;</span><span class="cm">,</span> <span class="i">$Options</span>{<span class="w">columns</span>}<span class="sc">;</span>
 470     <span class="k">if</span> <span class="s">(</span><span class="i">@ColValues</span> != <span class="i">@TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 471       <span class="k">die</span> <span class="q">&quot;Error: Invalid number of values specified by \&quot;-c --columns\&quot; option: it must be equal to number of input text files.\n&quot;</span><span class="sc">;</span>
 472     <span class="s">}</span>
 473     <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#ColValues</span><span class="s">)</span> <span class="s">{</span>
 474       <span class="k">if</span> <span class="s">(</span>!<span class="k">length</span><span class="s">(</span><span class="i">$ColValues</span>[<span class="i">$Index</span>]<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 475         <span class="k">die</span> <span class="q">&quot;Error: Invalid value specified by \&quot;-c --columns\&quot; option: empty values are not allowed.\n&quot;</span><span class="sc">;</span>
 476       <span class="s">}</span>
 477     <span class="s">}</span>
 478     <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">ColValues</span>}} = <span class="i">@ColValues</span><span class="sc">;</span>
 479   <span class="s">}</span>
 480 
 481   <span class="i">$OptionsInfo</span>{<span class="w">Keys</span>} = <span class="i">$Options</span>{<span class="w">keys</span>}<span class="sc">;</span>
 482   <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">KeyValues</span>}} = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 483 
 484   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">keys</span>}<span class="s">)</span> <span class="s">{</span>
 485     <span class="i">@KeyValues</span> = <span class="k">split</span> <span class="q">&quot;;&quot;</span><span class="cm">,</span> <span class="i">$Options</span>{<span class="w">keys</span>}<span class="sc">;</span>
 486     <span class="k">if</span> <span class="s">(</span><span class="i">@KeyValues</span> != <span class="i">@TextFilesList</span><span class="s">)</span> <span class="s">{</span>
 487       <span class="k">die</span> <span class="q">&quot;Error: Invalid number of values specified by \&quot;-k --keys\&quot; option: it must be equal to number of input text files.\n&quot;</span><span class="sc">;</span>
 488     <span class="s">}</span>
 489     <span class="k">for</span> <span class="i">$Index</span> <span class="s">(</span><span class="n">0</span> .. <span class="i">$#KeyValues</span><span class="s">)</span> <span class="s">{</span>
 490       <span class="k">if</span> <span class="s">(</span>!<span class="k">length</span><span class="s">(</span><span class="i">$KeyValues</span>[<span class="i">$Index</span>]<span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 491         <span class="k">die</span> <span class="q">&quot;Error: Invalid value specified by \&quot;-k --keys\&quot; option: empty values are not allowed.\n&quot;</span><span class="sc">;</span>
 492       <span class="s">}</span>
 493     <span class="s">}</span>
 494     <span class="i">@</span>{<span class="i">$OptionsInfo</span>{<span class="w">KeyValues</span>}} = <span class="i">@KeyValues</span><span class="sc">;</span>
 495   <span class="s">}</span>
 496 
 497   <span class="i">$OptionsInfo</span>{<span class="w">InDelim</span>} = <span class="i">$Options</span>{<span class="w">indelim</span>}<span class="sc">;</span>
 498 
 499   <span class="i">$OptionsInfo</span>{<span class="w">OutFileRoot</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">root</span>} ? <span class="i">$Options</span>{<span class="w">root</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 500   <span class="i">$OptionsInfo</span>{<span class="w">Overwrite</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">overwrite</span>} ? <span class="i">$Options</span>{<span class="w">overwrite</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 501 
 502   <span class="i">$OptionsInfo</span>{<span class="w">SDKey</span>} = <span class="k">defined</span> <span class="i">$Options</span>{<span class="w">sdkey</span>} ? <span class="i">$Options</span>{<span class="w">sdkey</span>} <span class="co">:</span> <span class="k">undef</span><span class="sc">;</span>
 503 
 504   <span class="c"># Setup new SD file...</span>
 505   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">root</span>}<span class="s">)</span> <span class="s">{</span>
 506     <span class="i">$FileDir</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span> <span class="i">$FileName</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span> <span class="i">$FileExt</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
 507     <span class="s">(</span><span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$Options</span>{<span class="w">root</span>}<span class="s">)</span><span class="sc">;</span>
 508     <span class="k">if</span> <span class="s">(</span><span class="i">$FileName</span> &amp;&amp; <span class="i">$FileExt</span><span class="s">)</span> <span class="s">{</span>
 509       <span class="i">$NewSDFile</span> = <span class="i">$FileName</span><span class="sc">;</span>
 510     <span class="s">}</span>
 511     <span class="k">else</span> <span class="s">{</span>
 512       <span class="i">$NewSDFile</span> =  <span class="i">$Options</span>{<span class="w">root</span>}<span class="sc">;</span>
 513     <span class="s">}</span>
 514   <span class="s">}</span>
 515   <span class="k">else</span> <span class="s">{</span>
 516     <span class="i">$FileDir</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span> <span class="i">$FileName</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span> <span class="i">$FileExt</span> = <span class="q">&quot;&quot;</span><span class="sc">;</span>
 517     <span class="s">(</span><span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$SDFile</span><span class="s">)</span><span class="sc">;</span>
 518 
 519     <span class="i">$NewSDFile</span> = <span class="i">$FileName</span><span class="sc">;</span>
 520     <span class="s">(</span><span class="i">$FileDir</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$FileExt</span><span class="s">)</span> = <span class="i">ParseFileName</span><span class="s">(</span><span class="i">$TextFilesList</span>[<span class="n">0</span>]<span class="s">)</span><span class="sc">;</span>
 521 
 522     <span class="i">$NewSDFile</span> = <span class="i">$NewSDFile</span> . <span class="q">&quot;MergedWith&quot;</span> . <span class="i">$FileName</span> . <span class="q">&quot;1To&quot;</span> . <span class="i">@TextFilesList</span><span class="sc">;</span>
 523   <span class="s">}</span>
 524 
 525   <span class="i">$NewSDFile</span> = <span class="i">$NewSDFile</span> . <span class="q">&quot;.sdf&quot;</span><span class="sc">;</span>
 526   <span class="k">if</span> <span class="s">(</span>!<span class="i">$Options</span>{<span class="w">overwrite</span>}<span class="s">)</span> <span class="s">{</span>
 527     <span class="k">if</span> <span class="s">(</span><span class="k">-e</span> <span class="i">$NewSDFile</span><span class="s">)</span> <span class="s">{</span>
 528       <span class="k">die</span> <span class="q">&quot;Error: The file $NewSDFile already exists.\n&quot;</span><span class="sc">;</span>
 529     <span class="s">}</span>
 530   <span class="s">}</span>
 531   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">root</span>}<span class="s">)</span> <span class="s">{</span>
 532     <span class="k">if</span> <span class="s">(</span><span class="k">lc</span><span class="s">(</span><span class="i">$NewSDFile</span><span class="s">)</span> <span class="k">eq</span> <span class="k">lc</span><span class="s">(</span><span class="i">$SDFile</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 533       <span class="k">die</span> <span class="q">&quot;Error: Output filename, $NewSDFile, is similar to a input file name.\nSpecify a different name using \&quot;-r --root\&quot; option or use default name.\n&quot;</span><span class="sc">;</span>
 534     <span class="s">}</span>
 535   <span class="s">}</span>
 536   <span class="i">$OptionsInfo</span>{<span class="w">NewSDFile</span>} = <span class="i">$NewSDFile</span><span class="sc">;</span>
 537 <span class="s">}</span>
 538 
 539 <span class="c"># Setup script usage  and retrieve command line arguments specified using various options...</span>
<a name="SetupScriptUsage-"></a> 540 <span class="k">sub </span><span class="m">SetupScriptUsage</span> <span class="s">{</span>
 541 
 542   <span class="c"># Retrieve all the options...</span>
 543   <span class="i">%Options</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
 544   <span class="i">$Options</span>{<span class="w">mode</span>} = <span class="q">&quot;colnum&quot;</span><span class="sc">;</span>
 545   <span class="i">$Options</span>{<span class="w">indelim</span>} = <span class="q">&quot;comma&quot;</span><span class="sc">;</span>
 546 
 547   <span class="k">if</span> <span class="s">(</span>!<span class="i">GetOptions</span><span class="s">(</span>\<span class="i">%Options</span><span class="cm">,</span> <span class="q">&quot;help|h&quot;</span><span class="cm">,</span> <span class="q">&quot;indelim=s&quot;</span><span class="cm">,</span> <span class="q">&quot;columns|c=s&quot;</span><span class="cm">,</span> <span class="q">&quot;keys|k=s&quot;</span><span class="cm">,</span> <span class="q">&quot;mode|m=s&quot;</span><span class="cm">,</span> <span class="q">&quot;overwrite|o&quot;</span><span class="cm">,</span> <span class="q">&quot;root|r=s&quot;</span><span class="cm">,</span> <span class="q">&quot;sdkey|s=s&quot;</span><span class="cm">,</span> <span class="q">&quot;workingdir|w=s&quot;</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
 548     <span class="k">die</span> <span class="q">&quot;\nTo get a list of valid options and their values, use \&quot;$ScriptName -h\&quot; or\n\&quot;perl -S $ScriptName -h\&quot; command and try again...\n&quot;</span><span class="sc">;</span>
 549   <span class="s">}</span>
 550   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span>
 551     <span class="k">if</span> <span class="s">(</span>! <span class="k">-d</span> <span class="i">$Options</span>{<span class="w">workingdir</span>}<span class="s">)</span> <span class="s">{</span>
 552       <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{workingdir}, for option \&quot;-w --workingdir\&quot; is not a directory name.\n&quot;</span><span class="sc">;</span>
 553     <span class="s">}</span>
 554     <span class="k">chdir</span> <span class="i">$Options</span>{<span class="w">workingdir</span>} <span class="k">or</span> <span class="k">die</span> <span class="q">&quot;Error: Couldn&#39;t chdir $Options{workingdir}: $! \n&quot;</span><span class="sc">;</span>
 555   <span class="s">}</span>
 556   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">mode</span>} !~ <span class="q">/^(colnum|collabel)$/i</span><span class="s">)</span> <span class="s">{</span>
 557     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{mode}, for option \&quot;-m --mode\&quot; is not valid. Allowed values: colnum, or collabel\n&quot;</span><span class="sc">;</span>
 558   <span class="s">}</span>
 559   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">indelim</span>} !~ <span class="q">/^(comma|semicolon)$/i</span><span class="s">)</span> <span class="s">{</span>
 560     <span class="k">die</span> <span class="q">&quot;Error: The value specified, $Options{indelim}, for option \&quot;--indelim\&quot; is not valid. Allowed values: comma or semicolon\n&quot;</span><span class="sc">;</span>
 561   <span class="s">}</span>
 562   <span class="k">if</span> <span class="s">(</span><span class="i">$Options</span>{<span class="w">sdkey</span>} &amp;&amp; !<span class="i">$Options</span>{<span class="w">keys</span>}<span class="s">)</span> <span class="s">{</span>
 563     <span class="k">die</span> <span class="q">&quot;Error: The option \&quot;-s --sdkey\&quot; can&#39;t be specified without the \&quot;-k --keys\&quot; option.\n&quot;</span><span class="sc">;</span>
 564   <span class="s">}</span>
 565   <span class="k">elsif</span> <span class="s">(</span>!<span class="i">$Options</span>{<span class="w">sdkey</span>} &amp;&amp; <span class="i">$Options</span>{<span class="w">keys</span>}<span class="s">)</span> <span class="s">{</span>
 566     <span class="k">die</span> <span class="q">&quot;Error: The option \&quot;-k --keys\&quot; can&#39;t be specified without the \&quot;-s --sdkey\&quot; option.\n&quot;</span><span class="sc">;</span>
 567   <span class="s">}</span>
 568 <span class="s">}</span>
 569 
<a name="EOF-"></a></pre>
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