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13 <pre>
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14 <a name="package-FileIO::SDFileIO-"></a> 1 <span class="k">package </span><span class="i">FileIO::SDFileIO</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: SDFileIO.pm,v $</span>
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17 4 <span class="c"># $Date: 2015/02/28 20:48:43 $</span>
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18 5 <span class="c"># $Revision: 1.35 $</span>
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19 6 <span class="c">#</span>
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20 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></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 <http://www.gnu.org/licenses/> 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">Carp</span><span class="sc">;</span>
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44 31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span>
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45 32 <span class="k">use</span> <span class="w">Scalar::Util</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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46 33 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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47 34 <span class="k">use</span> <span class="w">FileUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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48 35 <span class="k">use</span> <span class="w">SDFileUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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49 36 <span class="k">use</span> <span class="w">FileIO::FileIO</span><span class="sc">;</span>
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50 37 <span class="k">use</span> <span class="w">FileIO::MDLMolFileIO</span><span class="sc">;</span>
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51 38 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span>
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52 39
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53 40 <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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54 41
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55 42 <span class="i">@ISA</span> = <span class="q">qw(FileIO::FileIO Exporter)</span><span class="sc">;</span>
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56 43 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span>
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57 44 <span class="i">@EXPORT_OK</span> = <span class="q">qw(IsSDFile)</span><span class="sc">;</span>
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58 45
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59 46 <span class="i">%EXPORT_TAGS</span> = <span class="s">(</span><span class="w">all</span> <span class="cm">=></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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60 47
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61 48 <span class="c"># Setup class variables...</span>
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62 49 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span>
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63 50 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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64 51
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65 52 <span class="c"># Class constructor...</span>
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66 <a name="new-"></a> 53 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span>
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67 54 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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68 55
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69 56 <span class="c"># Initialize object...</span>
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70 57 <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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71 58 <span class="k">bless</span> <span class="i">$This</span><span class="cm">,</span> <span class="k">ref</span><span class="s">(</span><span class="i">$Class</span><span class="s">)</span> || <span class="i">$Class</span><span class="sc">;</span>
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72 59 <span class="i">$This</span><span class="i">->_InitializeSDFileIO</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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73 60
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74 61 <span class="i">$This</span><span class="i">->_InitializeSDFileIOProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span>
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75 62
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76 63 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
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77 64 <span class="s">}</span>
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78 65
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79 66 <span class="c"># Initialize any local object data...</span>
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80 67 <span class="c">#</span>
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81 <a name="_InitializeSDFileIO-"></a> 68 <span class="k">sub </span><span class="m">_InitializeSDFileIO</span> <span class="s">{</span>
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82 69 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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83 70
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84 71 <span class="c"># Sorting of MDL data fields during output: Keep the initial order or write 'em out alphabetically...</span>
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85 72 <span class="i">$This</span>->{<span class="w">SortDataFieldsDuringOutput</span>} = <span class="q">'No'</span><span class="sc">;</span>
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86 73
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87 74 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
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88 75 <span class="s">}</span>
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89 76
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90 77 <span class="c"># Initialize class ...</span>
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91 <a name="_InitializeClass-"></a> 78 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span>
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92 79 <span class="c">#Class name...</span>
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93 80 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span>
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94 81
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95 82 <span class="s">}</span>
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96 83
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97 84 <span class="c"># Initialize object values...</span>
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98 <a name="_InitializeSDFileIOProperties-"></a> 85 <span class="k">sub </span><span class="m">_InitializeSDFileIOProperties</span> <span class="s">{</span>
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99 86 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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100 87
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101 88 <span class="c"># All other property names and values along with all Set/Get<PropertyName> methods</span>
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102 89 <span class="c"># are implemented on-demand using ObjectProperty class.</span>
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103 90
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104 91 <span class="k">my</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="cm">,</span> <span class="i">$MethodName</span><span class="s">)</span><span class="sc">;</span>
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105 92 <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span> <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span>
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106 93 <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span>
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107 94 <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span>
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108 95 <span class="s">}</span>
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109 96
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110 97 <span class="k">if</span> <span class="s">(</span>!<span class="k">exists</span> <span class="i">$NamesAndValues</span>{<span class="w">Name</span>}<span class="s">)</span> <span class="s">{</span>
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111 98 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying file name..."</span><span class="sc">;</span>
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112 99 <span class="s">}</span>
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113 100
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114 101 <span class="c"># Make sure it's a SD file...</span>
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115 102 <span class="i">$Name</span> = <span class="i">$NamesAndValues</span>{<span class="w">Name</span>}<span class="sc">;</span>
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116 103 <span class="k">if</span> <span class="s">(</span>!<span class="i">$This</span><span class="i">->IsSDFile</span><span class="s">(</span><span class="i">$Name</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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117 104 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated: File, $Name, doesn't appear to be SDF format..."</span><span class="sc">;</span>
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118 105 <span class="s">}</span>
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119 106
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120 107 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
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121 108 <span class="s">}</span>
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122 109
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123 110 <span class="c"># Is it a SD file?</span>
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124 <a name="IsSDFile-"></a> 111 <span class="k">sub </span><span class="m">IsSDFile ($;$)</span> <span class="s">{</span>
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125 112 <span class="k">my</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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126 113 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$FileName</span><span class="cm">,</span> <span class="i">$Status</span><span class="s">)</span><span class="sc">;</span>
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127 114
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128 115 <span class="k">if</span> <span class="s">(</span><span class="s">(</span><span class="i">@_</span> == <span class="n">2</span><span class="s">)</span> && <span class="s">(</span><span class="i">_IsSDFileIO</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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129 116 <span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$FileName</span><span class="s">)</span> = <span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span><span class="sc">;</span>
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130 117 <span class="s">}</span>
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131 118 <span class="k">else</span> <span class="s">{</span>
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132 119 <span class="i">$FileName</span> = <span class="i">$FirstParameter</span><span class="sc">;</span>
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133 120 <span class="s">}</span>
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134 121
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135 122 <span class="c"># Check file extension...</span>
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136 123 <span class="i">$Status</span> = <span class="i">FileUtil::CheckFileType</span><span class="s">(</span><span class="i">$FileName</span><span class="cm">,</span> <span class="q">"sd sdf"</span><span class="s">)</span><span class="sc">;</span>
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137 124
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138 125 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span>
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139 126 <span class="s">}</span>
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140 127
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141 128 <span class="c"># Read molecule from file and return molecule object...</span>
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142 <a name="ReadMolecule-"></a> 129 <span class="k">sub </span><span class="m">ReadMolecule</span> <span class="s">{</span>
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143 130 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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144 131 <span class="k">my</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span>
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145 132
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146 133 <span class="i">$FileHandle</span> = <span class="i">$This</span><span class="i">->GetFileHandle</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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147 134 <span class="k">return</span> <span class="i">$This</span><span class="i">->ParseMoleculeString</span><span class="s">(</span><span class="i">SDFileUtil::ReadCmpdString</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span>
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148 135 <span class="s">}</span>
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149 136
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150 137 <span class="c"># Write compound data along with any data field label and values using Molecule object...</span>
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151 <a name="WriteMolecule-"></a> 138 <span class="k">sub </span><span class="m">WriteMolecule</span> <span class="s">{</span>
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152 139 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Molecule</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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153 140
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154 141 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span> && <span class="i">$Molecule</span><span class="i">->IsMolecule</span><span class="s">(</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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155 142 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->WriteMolecule: No data written: Molecule object is not specified..."</span><span class="sc">;</span>
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156 143 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
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157 144 <span class="s">}</span>
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158 145 <span class="k">my</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span>
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159 146 <span class="i">$FileHandle</span> = <span class="i">$This</span><span class="i">->GetFileHandle</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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160 147
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161 148 <span class="k">print</span> <span class="i">$FileHandle</span> <span class="i">$This</span><span class="i">->GenerateMoleculeString</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span> . <span class="q">"\n"</span><span class="sc">;</span>
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162 149
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163 150 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span>
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164 151 <span class="s">}</span>
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165 152
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166 153 <span class="c"># Retrieve molecule string...</span>
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167 <a name="ReadMoleculeString-"></a> 154 <span class="k">sub </span><span class="m">ReadMoleculeString</span> <span class="s">{</span>
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168 155 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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169 156 <span class="k">my</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span>
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170 157
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171 158 <span class="i">$FileHandle</span> = <span class="i">$This</span><span class="i">->GetFileHandle</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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172 159 <span class="k">return</span> <span class="i">SDFileUtil::ReadCmpdString</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span>
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173 160 <span class="s">}</span>
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174 161
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175 162 <span class="c"># Parse molecule string and return molecule object. ParseMoleculeString supports two invocation methods: class</span>
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176 163 <span class="c"># method or a package function.</span>
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177 164 <span class="c">#</span>
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178 <a name="ParseMoleculeString-"></a> 165 <span class="k">sub </span><span class="m">ParseMoleculeString</span> <span class="s">{</span>
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179 166 <span class="k">my</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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180 167 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$MoleculeString</span><span class="s">)</span><span class="sc">;</span>
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181 168
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182 169 <span class="k">if</span> <span class="s">(</span><span class="s">(</span><span class="i">@_</span> == <span class="n">2</span><span class="s">)</span> && <span class="s">(</span><span class="i">_IsSDFileIO</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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183 170 <span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$MoleculeString</span><span class="s">)</span> = <span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span><span class="sc">;</span>
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184 171 <span class="s">}</span>
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185 172 <span class="k">else</span> <span class="s">{</span>
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186 173 <span class="i">$MoleculeString</span> = <span class="i">$FirstParameter</span><span class="sc">;</span>
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187 174 <span class="i">$This</span> = <span class="k">undef</span><span class="sc">;</span>
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188 175 <span class="s">}</span>
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189 176 <span class="k">if</span> <span class="s">(</span>!<span class="i">$MoleculeString</span><span class="s">)</span> <span class="s">{</span>
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190 177 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span>
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191 178 <span class="s">}</span>
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192 179 <span class="c"># Parse molecule data...</span>
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193 180 <span class="k">my</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span><span class="sc">;</span>
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194 181 <span class="i">$Molecule</span> = <span class="i">FileIO::MDLMolFileIO::ParseMoleculeString</span><span class="s">(</span><span class="i">$MoleculeString</span><span class="s">)</span><span class="sc">;</span>
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195 182
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196 183 <span class="c"># Process data label/value pairs...</span>
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197 184 <span class="k">my</span><span class="s">(</span><span class="i">@MoleculeLines</span><span class="cm">,</span> <span class="i">@DataLabels</span><span class="cm">,</span> <span class="i">%DataLabelsAndValues</span><span class="s">)</span><span class="sc">;</span>
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198 185
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199 186 <span class="i">%DataLabelsAndValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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200 187 <span class="i">@MoleculeLines</span> = <span class="k">split</span> <span class="q">/\n/</span><span class="cm">,</span> <span class="i">$MoleculeString</span><span class="sc">;</span>
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201 188 <span class="i">@DataLabels</span> = <span class="i">SDFileUtil::GetCmpdDataHeaderLabels</span><span class="s">(</span>\<span class="i">@MoleculeLines</span><span class="s">)</span><span class="sc">;</span>
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202 189 <span class="i">%DataLabelsAndValues</span> = <span class="i">SDFileUtil::GetCmpdDataHeaderLabelsAndValues</span><span class="s">(</span>\<span class="i">@MoleculeLines</span><span class="s">)</span><span class="sc">;</span>
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203 190
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204 191 <span class="c"># Store reference to data labels to keep track of their initial order in SD file...</span>
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205 192 <span class="i">$Molecule</span><span class="i">->SetDataFieldLabels</span><span class="s">(</span>\<span class="i">@DataLabels</span><span class="s">)</span><span class="sc">;</span>
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206 193
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207 194 <span class="c"># Store reference to SD data label/value pairs hash as a generic property of molecule...</span>
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208 195 <span class="i">$Molecule</span><span class="i">->SetDataFieldLabelAndValues</span><span class="s">(</span>\<span class="i">%DataLabelsAndValues</span><span class="s">)</span><span class="sc">;</span>
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209 196
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210 197 <span class="k">return</span> <span class="i">$Molecule</span><span class="sc">;</span>
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211 198 <span class="s">}</span>
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212 199
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213 200 <span class="c"># Generate molecule string using molecule object...</span>
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214 <a name="GenerateMoleculeString-"></a> 201 <span class="k">sub </span><span class="m">GenerateMoleculeString</span> <span class="s">{</span>
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215 202 <span class="k">my</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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216 203 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Molecule</span><span class="s">)</span><span class="sc">;</span>
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217 204
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218 205 <span class="k">if</span> <span class="s">(</span><span class="s">(</span><span class="i">@_</span> == <span class="n">2</span><span class="s">)</span> && <span class="s">(</span><span class="i">_IsSDFileIO</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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219 206 <span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Molecule</span><span class="s">)</span> = <span class="s">(</span><span class="i">$FirstParameter</span><span class="cm">,</span> <span class="i">$SecondParameter</span><span class="s">)</span><span class="sc">;</span>
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220 207 <span class="s">}</span>
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221 208 <span class="k">else</span> <span class="s">{</span>
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222 209 <span class="i">$Molecule</span> = <span class="i">$FirstParameter</span><span class="sc">;</span>
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223 210 <span class="i">$This</span> = <span class="k">undef</span><span class="sc">;</span>
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224 211 <span class="s">}</span>
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225 212 <span class="k">if</span> <span class="s">(</span>!<span class="k">defined</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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226 213 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span>
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227 214 <span class="s">}</span>
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228 215 <span class="c"># Generate CTAB data...</span>
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229 216 <span class="k">my</span><span class="s">(</span><span class="i">$CmpdString</span><span class="s">)</span><span class="sc">;</span>
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230 217 <span class="i">$CmpdString</span> = <span class="i">FileIO::MDLMolFileIO::GenerateMoleculeString</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span><span class="sc">;</span>
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231 218
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232 219 <span class="c"># Generate any data field labels and values...</span>
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233 220 <span class="k">my</span><span class="s">(</span><span class="i">$DataFieldLabelsAndValuesString</span><span class="s">)</span><span class="sc">;</span>
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234 221
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235 222 <span class="i">$DataFieldLabelsAndValuesString</span> = <span class="q">''</span><span class="sc">;</span>
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236 223 <span class="k">if</span> <span class="s">(</span><span class="i">$Molecule</span><span class="i">->HasProperty</span><span class="s">(</span><span class="q">'DataFieldLabels'</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span>
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237 224 <span class="k">my</span><span class="s">(</span><span class="i">$DataFieldLabelsRef</span><span class="cm">,</span> <span class="i">$DataFieldLabelAndValuesRef</span><span class="cm">,</span> <span class="i">$SortDataFields</span><span class="s">)</span><span class="sc">;</span>
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238 225
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239 226 <span class="i">$SortDataFields</span> = <span class="s">(</span><span class="k">exists</span><span class="s">(</span><span class="i">$This</span>->{<span class="w">SortDataFieldsDuringOutput</span>}<span class="s">)</span> && <span class="i">$This</span>->{<span class="w">SortDataFieldsDuringOutput</span>} =~ <span class="q">/^Yes$/i</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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240 227
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241 228 <span class="i">$DataFieldLabelsRef</span> = <span class="i">$Molecule</span><span class="i">->GetDataFieldLabels</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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242 229 <span class="i">$DataFieldLabelAndValuesRef</span> = <span class="i">$Molecule</span><span class="i">->GetDataFieldLabelAndValues</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span>
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243 230 <span class="i">$DataFieldLabelsAndValuesString</span> = <span class="k">join</span> <span class="q">"\n"</span><span class="cm">,</span> <span class="i">SDFileUtil::GenerateCmpdDataHeaderLabelsAndValuesLines</span><span class="s">(</span><span class="i">$DataFieldLabelsRef</span><span class="cm">,</span> <span class="i">$DataFieldLabelAndValuesRef</span><span class="cm">,</span> <span class="i">$SortDataFields</span><span class="s">)</span><span class="sc">;</span>
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244 231 <span class="s">}</span>
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245 232
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246 233 <span class="k">return</span> <span class="q">"${CmpdString }\n${DataFieldLabelsAndValuesString}\n\$\$\$\$"</span><span class="sc">;</span>
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247 234 <span class="s">}</span>
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248 235
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249 236
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250 237 <span class="c"># Is it a SDFileIO object?</span>
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251 <a name="_IsSDFileIO-"></a> 238 <span class="k">sub </span><span class="m">_IsSDFileIO</span> <span class="s">{</span>
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252 239 <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span>
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253 240
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254 241 <span class="k">return</span> <span class="s">(</span><span class="i">Scalar::Util::blessed</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> && <span class="i">$Object</span><span class="i">->isa</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</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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255 242 <span class="s">}</span>
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256 243
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257 <a name="EOF-"></a></pre>
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258 <p> </p>
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259 <br />
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260 <center>
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261 <img src="../../../images/h2o2.png">
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262 </center>
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263 </body>
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264 </html>
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