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| author | deepakjadmin |
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| date | Wed, 20 Jan 2016 09:23:18 -0500 |
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| 1 <html> | |
| 2 <head> | |
| 3 <title>MayaChemTools:Documentation:FileUtil.pm</title> | |
| 4 <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
| 5 <link rel="stylesheet" type="text/css" href="../../css/MayaChemTools.css"> | |
| 6 </head> | |
| 7 <body leftmargin="20" rightmargin="20" topmargin="10" bottommargin="10"> | |
| 8 <br/> | |
| 9 <center> | |
| 10 <a href="http://www.mayachemtools.org" title="MayaChemTools Home"><img src="../../images/MayaChemToolsLogo.gif" border="0" alt="MayaChemTools"></a> | |
| 11 </center> | |
| 12 <br/> | |
| 13 <div class="DocNav"> | |
| 14 <table width="100%" border=0 cellpadding=0 cellspacing=2> | |
| 15 <tr align="left" valign="top"><td width="33%" align="left"><a href="./SDFileIO.html" title="SDFileIO.html">Previous</a> <a href="./index.html" title="Table of Contents">TOC</a> <a href="./AtomNeighborhoodsFingerprints.html" title="AtomNeighborhoodsFingerprints.html">Next</a></td><td width="34%" align="middle"><strong>FileUtil.pm</strong></td><td width="33%" align="right"><a href="././code/FileUtil.html" title="View source code">Code</a> | <a href="./../pdf/FileUtil.pdf" title="PDF US Letter Size">PDF</a> | <a href="./../pdfgreen/FileUtil.pdf" title="PDF US Letter Size with narrow margins: www.changethemargins.com">PDFGreen</a> | <a href="./../pdfa4/FileUtil.pdf" title="PDF A4 Size">PDFA4</a> | <a href="./../pdfa4green/FileUtil.pdf" title="PDF A4 Size with narrow margins: www.changethemargins.com">PDFA4Green</a></td></tr> | |
| 16 </table> | |
| 17 </div> | |
| 18 <p> | |
| 19 </p> | |
| 20 <h2>NAME</h2> | |
| 21 <p>FileUtil</p> | |
| 22 <p> | |
| 23 </p> | |
| 24 <h2>SYNOPSIS</h2> | |
| 25 <p>use FileUtil;</p> | |
| 26 <p>use FileUtil qw(:all);</p> | |
| 27 <p> | |
| 28 </p> | |
| 29 <h2>DESCRIPTION</h2> | |
| 30 <p><strong>FileUtil</strong> module provides the following functions:</p> | |
| 31 <p> <a href="#checkfiletype">CheckFileType</a>, <a href="#convertcygwinpath">ConvertCygwinPath</a>, <a href="#expandfilenames">ExpandFileNames</a>, <a href="#filemodificationtimeanddate">FileModificationTimeAndDate</a> | |
| 32 , <a href="#filesize">FileSize</a>, <a href="#formatfilesize">FormatFileSize</a>, <a href="#formattedfilemodificationtimeanddate">FormattedFileModificationTimeAndDate</a> | |
| 33 , <a href="#getmayachemtoolslibdirname">GetMayaChemToolsLibDirName</a>, <a href="#getusagefrompod">GetUsageFromPod</a>, <a href="#parsefilename">ParseFileName</a> | |
| 34 </p><p> | |
| 35 </p> | |
| 36 <h2>FUNCTIONS</h2> | |
| 37 <dl> | |
| 38 <dt><strong><a name="checkfiletype" class="item"><strong>CheckFileType</strong></a></strong></dt> | |
| 39 <dd> | |
| 40 <div class="OptionsBox"> | |
| 41 $Status = CheckFileType($FileName, $FileExts);</div> | |
| 42 <p>Based on <em>FileExts</em>, decides type of <em>FileName</em> and return 1 or 0.</p> | |
| 43 </dd> | |
| 44 <dt><strong><a name="convertcygwinpath" class="item"><strong>ConvertCygwinPath</strong></a></strong></dt> | |
| 45 <dd> | |
| 46 <div class="OptionsBox"> | |
| 47 $NewPath = ConvertCygwinPath($Path);</div> | |
| 48 <p>Check to see whether <em>Path</em> contains any Cygwin drive specification and convert | |
| 49 it into Windows path.</p> | |
| 50 </dd> | |
| 51 <dt><strong><a name="expandfilenames" class="item"><strong>ExpandFileNames</strong></a></strong></dt> | |
| 52 <dd> | |
| 53 <div class="OptionsBox"> | |
| 54 @FilesList = ExpandFileNames(\@Files, $FileExts); | |
| 55 <br/> @FilesList = ExpandFileNames(\@Files, $FileExts, $IncludeDirName);</div> | |
| 56 <p>For each directory name or wild card file name in <em>Files</em>, generate all file names which | |
| 57 correspond to the specification along with match to any extensions in <em>FileExts</em> and return an | |
| 58 array <strong>FileList</strong> containing these file names and other names. <em>IncludeDirName</em> controls | |
| 59 controls whether directory prefixes are included in expanded file names. Default is to always | |
| 60 append directory name before expanded file name.</p> | |
| 61 <p>Notes:</p> | |
| 62 <div class="OptionsBox"> | |
| 63 . Multiple file extensions are delimited by spaces. | |
| 64 <br/> . Wild card, *, is supported in directory and file names along with file | |
| 65 extensions. | |
| 66 <br/> . For a specified directory name in the files list, all the files in the | |
| 67 directory are retrieved using Perl opendir function and files filtered using file | |
| 68 extensions. The file names "." and ".." returned by opendir are ignored. | |
| 69 <br/> . For file names containing wild cards with and without any explicit file | |
| 70 extension specification in the file name, all the files in the directory are retrieved | |
| 71 using Perl opendir function and files filtered using file name along with any | |
| 72 file extension. The file names "." and ".." returned by opendir are ignored.</div> | |
| 73 </dd> | |
| 74 <dt><strong><a name="formattedfilemodificationtimeanddate" class="item"><strong>FormattedFileModificationTimeAndDate</strong></a></strong></dt> | |
| 75 <dd> | |
| 76 <div class="OptionsBox"> | |
| 77 ($TimeString, $DateString) = | |
| 78 FormattedFileModificationTimeAndDate($FileName);</div> | |
| 79 <p>Returns a formatted time and date string corresponding to <em>FileName</em> modification time.</p> | |
| 80 </dd> | |
| 81 <dt><strong><a name="filemodificationtimeanddate" class="item"><strong>FileModificationTimeAndDate</strong></a></strong></dt> | |
| 82 <dd> | |
| 83 <div class="OptionsBox"> | |
| 84 ($Hours, $Mins, $Secs, $DayName, $MonthName, $Month, $Year) = | |
| 85 FileModificationTimeAndDate($FileName);</div> | |
| 86 <p>Returns file modification time and date values for specified <em>FileName</em>.</p> | |
| 87 </dd> | |
| 88 <dt><strong><a name="formatfilesize" class="item"><strong>FormatFileSize</strong></a></strong></dt> | |
| 89 <dd> | |
| 90 <div class="OptionsBox"> | |
| 91 $FormattedSize= FormatFileSize($Size, [$Precision]);</div> | |
| 92 <p>Formats the file size in bytes to human readable value and returns a formatted file | |
| 93 size string.</p> | |
| 94 </dd> | |
| 95 <dt><strong><a name="filesize" class="item"><strong>FileSize</strong></a></strong></dt> | |
| 96 <dd> | |
| 97 <div class="OptionsBox"> | |
| 98 $Size= FileSize($FileName);</div> | |
| 99 <p>Returns size of <em>FileName</em> in bytes</p> | |
| 100 </dd> | |
| 101 <dt><strong><a name="getmayachemtoolslibdirname" class="item"><strong>GetMayaChemToolsLibDirName</strong></a></strong></dt> | |
| 102 <dd> | |
| 103 <div class="OptionsBox"> | |
| 104 $MayaChemToolsLibDir = GetMayaChemToolsLibDirName();</div> | |
| 105 <p>Returns MayaChemTools lib directory name by parsing <strong>INC</strong> values to extract | |
| 106 <strong>MAYACHEMTOOLS/lib</strong> directory location: first entry in <strong>INC</strong> path should contain | |
| 107 MayaChemTools lib location.</p> | |
| 108 </dd> | |
| 109 <dt><strong><a name="getusagefrompod" class="item"><strong>GetUsageFromPod</strong></a></strong></dt> | |
| 110 <dd> | |
| 111 <div class="OptionsBox"> | |
| 112 $ScriptUsage = GetUsageFromPod($AbsoluteScriptPath);</div> | |
| 113 <p>Generates a <strong>ScriptUsage</strong> string from pod documentation in the script file using | |
| 114 pod2text or perdoc.bat Perl utitities.</p> | |
| 115 </dd> | |
| 116 <dt><strong><a name="parsefilename" class="item"><strong>ParseFileName</strong></a></strong></dt> | |
| 117 <dd> | |
| 118 <div class="OptionsBox"> | |
| 119 ($FileDir, $FileName, $FileExt) = ParseFileName($FullFileName);</div> | |
| 120 <p>Splits <em>FullFileName</em> into directory name, file name, and extension. <strong>FileDir</strong> is | |
| 121 set to current directory for absent directory name in <em>FullFileName</em>. And <em>FileExt</em> | |
| 122 is set to NULL string for <em>FullFileName</em> without any extension.</p> | |
| 123 <p>This function doesn't perform checking ragarding the presence of the directory <em>FileDir</em> | |
| 124 and <em>FullFileName</em> and the <em>FullFileName</em> without any extension is assumed to be | |
| 125 a file instead of a directory.</p> | |
| 126 </dd> | |
| 127 </dl> | |
| 128 <p> | |
| 129 </p> | |
| 130 <h2>AUTHOR</h2> | |
| 131 <p><a href="mailto:msud@san.rr.com">Manish Sud</a></p> | |
| 132 <p> | |
| 133 </p> | |
| 134 <h2>SEE ALSO</h2> | |
| 135 <p><a href="./TextUtil.html">TextUtil.pm</a>, <a href="./TimeUtil.html">TimeUtil.pm</a> | |
| 136 </p> | |
| 137 <p> | |
| 138 </p> | |
| 139 <h2>COPYRIGHT</h2> | |
| 140 <p>Copyright (C) 2015 Manish Sud. All rights reserved.</p> | |
| 141 <p>This file is part of MayaChemTools.</p> | |
| 142 <p>MayaChemTools is free software; you can redistribute it and/or modify it under | |
| 143 the terms of the GNU Lesser General Public License as published by the Free | |
| 144 Software Foundation; either version 3 of the License, or (at your option) | |
| 145 any later version.</p> | |
| 146 <p> </p><p> </p><div class="DocNav"> | |
| 147 <table width="100%" border=0 cellpadding=0 cellspacing=2> | |
| 148 <tr align="left" valign="top"><td width="33%" align="left"><a href="./SDFileIO.html" title="SDFileIO.html">Previous</a> <a href="./index.html" title="Table of Contents">TOC</a> <a href="./AtomNeighborhoodsFingerprints.html" title="AtomNeighborhoodsFingerprints.html">Next</a></td><td width="34%" align="middle"><strong>March 29, 2015</strong></td><td width="33%" align="right"><strong>FileUtil.pm</strong></td></tr> | |
| 149 </table> | |
| 150 </div> | |
| 151 <br /> | |
| 152 <center> | |
| 153 <img src="../../images/h2o2.png"> | |
| 154 </center> | |
| 155 </body> | |
| 156 </html> |