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<html><head><title>File::Find (Perl in a Nutshell, 2nd Edition)</title><link rel="stylesheet" type="text/css" href="../style/style1.css" /><meta name="DC.Creator" content="Stephen Spainhour" /><meta name="DC.Format" content="text/xml" scheme="MIME" /><meta name="DC.Language" content="en-US" /><meta name="DC.Publisher" content="O'Reilly & Associates, Inc." /><meta name="DC.Source" scheme="ISBN" content="0596002416L" /><meta name="DC.Subject.Keyword" content="stuff" /><meta name="DC.Title" content="Perl in a Nutshell, 2nd Edition" /><meta name="DC.Type" content="Text.Monograph" /></head><body bgcolor="#ffffff"><img src="gifs/smbanner.gif" usemap="#banner-map" border="0" alt="Book Home" /><map name="banner-map"><area shape="rect" coords="1,-2,616,66" href="index.htm" alt="Java and XSLT" /><area shape="rect" coords="629,-11,726,25" href="jobjects/fsearch.htm" alt="Search this book" /></map><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch08_99.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228" /><td align="right" valign="top" width="228"><a href="ch08_101.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">8.100. File::Find</h2><p><a name="INDEX-1447" />Looks for files that match a particularexpression. Exports two functions.</p><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>find</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre>find (\&<em class="replaceable">wanted</em>, <em class="replaceable">dir1</em>[, <em class="replaceable">dir2</em> ...])</pre><p>Works like the Unix <em class="emphasis">find</em> command; traverses thespecified directories, looking for files that match the expressionsor actions you specify in a subroutine called<tt class="literal">wanted</tt>, which you must define. For example, toprint out the names of all executable files, you could define<tt class="literal">wanted</tt> this way:</p><blockquote><pre class="code">sub wanted { print "$File::Find::name\n" if -x;}</pre></blockquote><p>Provides the following variables:</p><dl><dt><b><tt class="literal">$File::Find::dir</tt></b></dt><dd>Current directory name (<tt class="literal">$_</tt> has the currentfilename in that directory).</p></dd><dt><b><tt class="literal">$File::Find::name</tt></b></dt><dd>Contains <tt class="literal">$File::Find::dir/$_</tt>. You are<em class="emphasis">chdir</em>ed to <tt class="literal">$File::Find::dir</tt>when <tt class="literal">find</tt> is called.</p></dd><dt><b><tt class="literal">$File::Find::prune</tt></b></dt><dd>If true, <tt class="literal">find</tt> does not descend into anydirectories.</p></dd><dt><b><tt class="literal">$File::Find::dont_use_nlink</tt></b></dt><dd>Set this variable if you're using the Andrew FileSystem (AFS).</p></dd></dl></div><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>finddepth</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre>finddepth (\<em class="replaceable">wanted</em>, <em class="replaceable">dir1</em>[, <em class="replaceable">dir2</em>...])</pre><p>Like <tt class="literal">find</tt>, but does a depth-first search.</p><p>The standard Perl distribution comes with a Perl script,<em class="emphasis">find2perl</em>, which takes a Unix<em class="emphasis">find</em> command and turns it into a<tt class="literal">wanted</tt> subroutine.</p></div><hr width="684" align="left" /><div class="navbar"><table width="684" border="0"><tr><td align="left" valign="top" width="228"><a href="ch08_99.htm"><img src="../gifs/txtpreva.gif" alt="Previous" border="0" /></a></td><td align="center" valign="top" width="228"><a href="index.htm"><img src="../gifs/txthome.gif" alt="Home" border="0" /></a></td><td align="right" valign="top" width="228"><a href="ch08_101.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">8.99. File::DosGlob</td><td align="center" valign="top" width="228"><a href="index/index.htm"><img src="../gifs/index.gif" alt="Book Index" border="0" /></a></td><td align="right" valign="top" width="228">8.101. File::Path</td></tr></table></div><hr width="684" align="left" /><img src="../gifs/navbar.gif" usemap="#library-map" border="0" alt="Library Navigation Links" /><p><p><font size="-1"><a href="copyrght.htm">Copyright © 2002</a> O'Reilly & Associates. 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