Mercurial > repos > deepakjadmin > mayatool3_test3
view mayachemtools/docs/modules/html/code/SDFileIO.html @ 0:73ae111cf86f draft
Uploaded
| author | deepakjadmin |
|---|---|
| date | Wed, 20 Jan 2016 11:55:01 -0500 |
| parents | |
| children |
line wrap: on
line source
<html> <head> <title>MayaChemTools:Code:FileIO::SDFileIO.pm</title> <meta http-equiv="content-type" content="text/html;charset=utf-8"> <link rel="stylesheet" type="text/css" href="../../../css/MayaChemToolsCode.css"> </head> <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> <br/> <center> <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> </center> <br/> <pre> <a name="package-FileIO::SDFileIO-"></a> 1 <span class="k">package </span><span class="i">FileIO::SDFileIO</span><span class="sc">;</span> 2 <span class="c">#</span> 3 <span class="c"># $RCSfile: SDFileIO.pm,v $</span> 4 <span class="c"># $Date: 2015/02/28 20:48:43 $</span> 5 <span class="c"># $Revision: 1.35 $</span> 6 <span class="c">#</span> 7 <span class="c"># Author: Manish Sud <msud@san.rr.com></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 <http://www.gnu.org/licenses/> 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">Carp</span><span class="sc">;</span> 31 <span class="k">use</span> <span class="w">Exporter</span><span class="sc">;</span> 32 <span class="k">use</span> <span class="w">Scalar::Util</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> 33 <span class="k">use</span> <span class="w">TextUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> 34 <span class="k">use</span> <span class="w">FileUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> 35 <span class="k">use</span> <span class="w">SDFileUtil</span> <span class="s">(</span><span class="s">)</span><span class="sc">;</span> 36 <span class="k">use</span> <span class="w">FileIO::FileIO</span><span class="sc">;</span> 37 <span class="k">use</span> <span class="w">FileIO::MDLMolFileIO</span><span class="sc">;</span> 38 <span class="k">use</span> <span class="w">Molecule</span><span class="sc">;</span> 39 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> 41 42 <span class="i">@ISA</span> = <span class="q">qw(FileIO::FileIO Exporter)</span><span class="sc">;</span> 43 <span class="i">@EXPORT</span> = <span class="q">qw()</span><span class="sc">;</span> 44 <span class="i">@EXPORT_OK</span> = <span class="q">qw(IsSDFile)</span><span class="sc">;</span> 45 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> 47 48 <span class="c"># Setup class variables...</span> 49 <span class="k">my</span><span class="s">(</span><span class="i">$ClassName</span><span class="s">)</span><span class="sc">;</span> 50 <span class="i">_InitializeClass</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> 51 52 <span class="c"># Class constructor...</span> <a name="new-"></a> 53 <span class="k">sub </span><span class="m">new</span> <span class="s">{</span> 54 <span class="k">my</span><span class="s">(</span><span class="i">$Class</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 55 56 <span class="c"># Initialize object...</span> 57 <span class="k">my</span> <span class="i">$This</span> = <span class="i">$Class</span><span class="i">->SUPER::new</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> 58 <span class="k">bless</span> <span class="i">$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> 59 <span class="i">$This</span><span class="i">->_InitializeSDFileIO</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> 60 61 <span class="i">$This</span><span class="i">->_InitializeSDFileIOProperties</span><span class="s">(</span><span class="i">%NamesAndValues</span><span class="s">)</span><span class="sc">;</span> 62 63 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> 64 <span class="s">}</span> 65 66 <span class="c"># Initialize any local object data...</span> 67 <span class="c">#</span> <a name="_InitializeSDFileIO-"></a> 68 <span class="k">sub </span><span class="m">_InitializeSDFileIO</span> <span class="s">{</span> 69 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 70 71 <span class="c"># Sorting of MDL data fields during output: Keep the initial order or write 'em out alphabetically...</span> 72 <span class="i">$This</span>->{<span class="w">SortDataFieldsDuringOutput</span>} = <span class="q">'No'</span><span class="sc">;</span> 73 74 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> 75 <span class="s">}</span> 76 77 <span class="c"># Initialize class ...</span> <a name="_InitializeClass-"></a> 78 <span class="k">sub </span><span class="m">_InitializeClass</span> <span class="s">{</span> 79 <span class="c">#Class name...</span> 80 <span class="i">$ClassName</span> = <span class="w">__PACKAGE__</span><span class="sc">;</span> 81 82 <span class="s">}</span> 83 84 <span class="c"># Initialize object values...</span> <a name="_InitializeSDFileIOProperties-"></a> 85 <span class="k">sub </span><span class="m">_InitializeSDFileIOProperties</span> <span class="s">{</span> 86 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">%NamesAndValues</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 87 88 <span class="c"># All other property names and values along with all Set/Get<PropertyName> methods</span> 89 <span class="c"># are implemented on-demand using ObjectProperty class.</span> 90 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">$MethodName</span><span class="s">)</span><span class="sc">;</span> 92 <span class="k">while</span> <span class="s">(</span><span class="s">(</span><span class="i">$Name</span><span class="cm">,</span> <span class="i">$Value</span><span class="s">)</span> = <span class="k">each</span> <span class="i">%NamesAndValues</span><span class="s">)</span> <span class="s">{</span> 93 <span class="i">$MethodName</span> = <span class="q">"Set${Name}"</span><span class="sc">;</span> 94 <span class="i">$This</span><span class="i">->$MethodName</span><span class="s">(</span><span class="i">$Value</span><span class="s">)</span><span class="sc">;</span> 95 <span class="s">}</span> 96 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> 98 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated without specifying file name..."</span><span class="sc">;</span> 99 <span class="s">}</span> 100 101 <span class="c"># Make sure it's a SD file...</span> 102 <span class="i">$Name</span> = <span class="i">$NamesAndValues</span>{<span class="w">Name</span>}<span class="sc">;</span> 103 <span class="k">if</span> <span class="s">(</span>!<span class="i">$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> 104 <span class="w">croak</span> <span class="q">"Error: ${ClassName}->New: Object can't be instantiated: File, $Name, doesn't appear to be SDF format..."</span><span class="sc">;</span> 105 <span class="s">}</span> 106 107 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> 108 <span class="s">}</span> 109 110 <span class="c"># Is it a SD file?</span> <a name="IsSDFile-"></a> 111 <span class="k">sub </span><span class="m">IsSDFile ($;$)</span> <span class="s">{</span> 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> 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">$Status</span><span class="s">)</span><span class="sc">;</span> 114 115 <span class="k">if</span> <span class="s">(</span><span class="s">(</span><span class="i">@_</span> == <span class="n">2</span><span class="s">)</span> && <span class="s">(</span><span class="i">_IsSDFileIO</span><span class="s">(</span><span class="i">$FirstParameter</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> 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> 117 <span class="s">}</span> 118 <span class="k">else</span> <span class="s">{</span> 119 <span class="i">$FileName</span> = <span class="i">$FirstParameter</span><span class="sc">;</span> 120 <span class="s">}</span> 121 122 <span class="c"># Check file extension...</span> 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> 124 125 <span class="k">return</span> <span class="i">$Status</span><span class="sc">;</span> 126 <span class="s">}</span> 127 128 <span class="c"># Read molecule from file and return molecule object...</span> <a name="ReadMolecule-"></a> 129 <span class="k">sub </span><span class="m">ReadMolecule</span> <span class="s">{</span> 130 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 131 <span class="k">my</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span> 132 133 <span class="i">$FileHandle</span> = <span class="i">$This</span><span class="i">->GetFileHandle</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> 134 <span class="k">return</span> <span class="i">$This</span><span class="i">->ParseMoleculeString</span><span class="s">(</span><span class="i">SDFileUtil::ReadCmpdString</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="s">)</span><span class="sc">;</span> 135 <span class="s">}</span> 136 137 <span class="c"># Write compound data along with any data field label and values using Molecule object...</span> <a name="WriteMolecule-"></a> 138 <span class="k">sub </span><span class="m">WriteMolecule</span> <span class="s">{</span> 139 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="cm">,</span> <span class="i">$Molecule</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 140 141 <span class="k">if</span> <span class="s">(</span>!<span class="s">(</span><span class="k">defined</span><span class="s">(</span><span class="i">$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> 142 <span class="w">carp</span> <span class="q">"Warning: ${ClassName}->WriteMolecule: No data written: Molecule object is not specified..."</span><span class="sc">;</span> 143 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> 144 <span class="s">}</span> 145 <span class="k">my</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span> 146 <span class="i">$FileHandle</span> = <span class="i">$This</span><span class="i">->GetFileHandle</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> 147 148 <span class="k">print</span> <span class="i">$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> 149 150 <span class="k">return</span> <span class="i">$This</span><span class="sc">;</span> 151 <span class="s">}</span> 152 153 <span class="c"># Retrieve molecule string...</span> <a name="ReadMoleculeString-"></a> 154 <span class="k">sub </span><span class="m">ReadMoleculeString</span> <span class="s">{</span> 155 <span class="k">my</span><span class="s">(</span><span class="i">$This</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 156 <span class="k">my</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span> 157 158 <span class="i">$FileHandle</span> = <span class="i">$This</span><span class="i">->GetFileHandle</span><span class="s">(</span><span class="s">)</span><span class="sc">;</span> 159 <span class="k">return</span> <span class="i">SDFileUtil::ReadCmpdString</span><span class="s">(</span><span class="i">$FileHandle</span><span class="s">)</span><span class="sc">;</span> 160 <span class="s">}</span> 161 162 <span class="c"># Parse molecule string and return molecule object. ParseMoleculeString supports two invocation methods: class</span> 163 <span class="c"># method or a package function.</span> 164 <span class="c">#</span> <a name="ParseMoleculeString-"></a> 165 <span class="k">sub </span><span class="m">ParseMoleculeString</span> <span class="s">{</span> 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> 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> 168 169 <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">$FirstParameter</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> 170 <span class="s">(</span><span class="i">$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">$SecondParameter</span><span class="s">)</span><span class="sc">;</span> 171 <span class="s">}</span> 172 <span class="k">else</span> <span class="s">{</span> 173 <span class="i">$MoleculeString</span> = <span class="i">$FirstParameter</span><span class="sc">;</span> 174 <span class="i">$This</span> = <span class="k">undef</span><span class="sc">;</span> 175 <span class="s">}</span> 176 <span class="k">if</span> <span class="s">(</span>!<span class="i">$MoleculeString</span><span class="s">)</span> <span class="s">{</span> 177 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> 178 <span class="s">}</span> 179 <span class="c"># Parse molecule data...</span> 180 <span class="k">my</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span><span class="sc">;</span> 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> 182 183 <span class="c"># Process data label/value pairs...</span> 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> 185 186 <span class="i">%DataLabelsAndValues</span> = <span class="s">(</span><span class="s">)</span><span class="sc">;</span> 187 <span class="i">@MoleculeLines</span> = <span class="k">split</span> <span class="q">/\n/</span><span class="cm">,</span> <span class="i">$MoleculeString</span><span class="sc">;</span> 188 <span class="i">@DataLabels</span> = <span class="i">SDFileUtil::GetCmpdDataHeaderLabels</span><span class="s">(</span>\<span class="i">@MoleculeLines</span><span class="s">)</span><span class="sc">;</span> 189 <span class="i">%DataLabelsAndValues</span> = <span class="i">SDFileUtil::GetCmpdDataHeaderLabelsAndValues</span><span class="s">(</span>\<span class="i">@MoleculeLines</span><span class="s">)</span><span class="sc">;</span> 190 191 <span class="c"># Store reference to data labels to keep track of their initial order in SD file...</span> 192 <span class="i">$Molecule</span><span class="i">->SetDataFieldLabels</span><span class="s">(</span>\<span class="i">@DataLabels</span><span class="s">)</span><span class="sc">;</span> 193 194 <span class="c"># Store reference to SD data label/value pairs hash as a generic property of molecule...</span> 195 <span class="i">$Molecule</span><span class="i">->SetDataFieldLabelAndValues</span><span class="s">(</span>\<span class="i">%DataLabelsAndValues</span><span class="s">)</span><span class="sc">;</span> 196 197 <span class="k">return</span> <span class="i">$Molecule</span><span class="sc">;</span> 198 <span class="s">}</span> 199 200 <span class="c"># Generate molecule string using molecule object...</span> <a name="GenerateMoleculeString-"></a> 201 <span class="k">sub </span><span class="m">GenerateMoleculeString</span> <span class="s">{</span> 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> 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> 204 205 <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">$FirstParameter</span><span class="s">)</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> 206 <span class="s">(</span><span class="i">$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">$SecondParameter</span><span class="s">)</span><span class="sc">;</span> 207 <span class="s">}</span> 208 <span class="k">else</span> <span class="s">{</span> 209 <span class="i">$Molecule</span> = <span class="i">$FirstParameter</span><span class="sc">;</span> 210 <span class="i">$This</span> = <span class="k">undef</span><span class="sc">;</span> 211 <span class="s">}</span> 212 <span class="k">if</span> <span class="s">(</span>!<span class="k">defined</span><span class="s">(</span><span class="i">$Molecule</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> 213 <span class="k">return</span> <span class="k">undef</span><span class="sc">;</span> 214 <span class="s">}</span> 215 <span class="c"># Generate CTAB data...</span> 216 <span class="k">my</span><span class="s">(</span><span class="i">$CmpdString</span><span class="s">)</span><span class="sc">;</span> 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> 218 219 <span class="c"># Generate any data field labels and values...</span> 220 <span class="k">my</span><span class="s">(</span><span class="i">$DataFieldLabelsAndValuesString</span><span class="s">)</span><span class="sc">;</span> 221 222 <span class="i">$DataFieldLabelsAndValuesString</span> = <span class="q">''</span><span class="sc">;</span> 223 <span class="k">if</span> <span class="s">(</span><span class="i">$Molecule</span><span class="i">->HasProperty</span><span class="s">(</span><span class="q">'DataFieldLabels'</span><span class="s">)</span><span class="s">)</span> <span class="s">{</span> 224 <span class="k">my</span><span class="s">(</span><span class="i">$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> 225 226 <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> 227 228 <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> 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> 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> 231 <span class="s">}</span> 232 233 <span class="k">return</span> <span class="q">"${CmpdString }\n${DataFieldLabelsAndValuesString}\n\$\$\$\$"</span><span class="sc">;</span> 234 <span class="s">}</span> 235 236 237 <span class="c"># Is it a SDFileIO object?</span> <a name="_IsSDFileIO-"></a> 238 <span class="k">sub </span><span class="m">_IsSDFileIO</span> <span class="s">{</span> 239 <span class="k">my</span><span class="s">(</span><span class="i">$Object</span><span class="s">)</span> = <span class="i">@_</span><span class="sc">;</span> 240 241 <span class="k">return</span> <span class="s">(</span><span class="i">Scalar::Util::blessed</span><span class="s">(</span><span class="i">$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> 242 <span class="s">}</span> 243 <a name="EOF-"></a></pre> <p> </p> <br /> <center> <img src="../../../images/h2o2.png"> </center> </body> </html>