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📁 by Randal L. Schwartz and Tom Phoenix ISBN 0-596-00132-0 Third Edition, published July 2001. (See
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<html><head><title>DirHandle (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 &amp; 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_58.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_60.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr></table></div><h2 class="sect1">8.59. DirHandle</h2><p><a name="INDEX-1384" />Providesmethods for accessing Perl's directory functions,avoiding namespace pollution. Creates anonymous glob to hold adirectory handle and closes the dirhandle automatically when the lastreference goes out of scope. The following methods are provided.</p><a name="INDEX-1385" /><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>new</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre><em class="replaceable">$dh</em> = new DirHandle [<em class="replaceable">dirname</em>]</pre><p><a name="INDEX-1385" />Constructor. Creates a new directoryhandle. The optional directory name,<em class="replaceable"><tt>dirname</tt></em>, defaults to the currentdirectory.</p></div><a name="INDEX-1386" /><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>close</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre><em class="replaceable">$dh</em>-&gt;close(  )</pre><p><a name="INDEX-1386" />Closes a directory handle; equivalentto the <tt class="literal">closedir</tt> function.</p></div><a name="INDEX-1387" /><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>open</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre><em class="replaceable">$dh</em>-&gt;open(<em class="replaceable">dirname</em>)</pre><p><a name="INDEX-1387" />Opens directory<em class="replaceable"><tt>dirname</tt></em>; equivalent to the<tt class="literal">opendir</tt> function.</p></div><a name="INDEX-1388" /><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>read</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre><em class="replaceable">$dh</em>-&gt;read(  )</pre><p><a name="INDEX-1388" />Reads directory entries. Equivalent tothe <tt class="literal">readdir</tt> function. In scalar context, reads thenext directory entry; in list context, reads all entries.</p></div><a name="INDEX-1389" /><div class="refentry"><table width="515" border="0" cellpadding="5"><tr><td align="left"><font size="+1"><b>rewind</b></font></td><td align="right"><i></i></td></tr></table><hr width="515" size="3" noshade="true" align="left" color="black" /><pre><em class="replaceable">$dh</em>-&gt;rewind(  )</pre><p><a name="INDEX-1389" />Sets current position to beginning ofdirectory; equivalent to the <tt class="literal">rewinddir</tt> function.</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_58.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_60.htm"><img src="../gifs/txtnexta.gif" alt="Next" border="0" /></a></td></tr><tr><td align="left" valign="top" width="228">8.58. Digest::MD5</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">8.60. Dumpvalue</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 &copy; 2002</a> O'Reilly &amp; Associates. 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