Edit D:\app\Administrator\product\11.2.0\dbhome_1\perl\html\lib\Digest\file.html
<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Digest::file - Calculate digests of files</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:" /> </head> <body style="background-color: white"> <table border="0" width="100%" cellspacing="0" cellpadding="3"> <tr><td class="block" style="background-color: #cccccc" valign="middle"> <big><strong><span class="block"> Digest::file - Calculate digests of files</span></strong></big> </td></tr> </table> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#see_also">SEE ALSO</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <h1><a name="name">NAME</a></h1> <p>Digest::file - Calculate digests of files</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> # Poor mans "md5sum" command use Digest::file qw(digest_file_hex); for (@ARGV) { print digest_file_hex($_, "MD5"), " $_\n"; }</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>This module provide 3 convenience functions to calculate the digest of files. The following functions are provided:</p> <dl> <dt><strong><a name="digest_file" class="item">digest_file( $file, $algorithm, [$arg,...] )</a></strong> <dd> <p>This function will calculate and return the binary digest of the bytes of the given file. The function will croak if it fails to open or read the file.</p> </dd> <dd> <p>The $algorithm is a string like "MD2", "MD5", "SHA-1", "SHA-512". Additional arguments are passed to the constructor for the implementation of the given algorithm.</p> </dd> </li> <dt><strong><a name="digest_file_hex" class="item">digest_file_hex( $file, $algorithm, [$arg,...] )</a></strong> <dd> <p>Same as <a href="#digest_file"><code>digest_file()</code></a>, but return the digest in hex form.</p> </dd> </li> <dt><strong><a name="digest_file_base64" class="item">digest_file_base64( $file, $algorithm, [$arg,...] )</a></strong> <dd> <p>Same as <a href="#digest_file"><code>digest_file()</code></a>, but return the digest as a base64 encoded string.</p> </dd> </li> </dl> <p> </p> <hr /> <h1><a name="see_also">SEE ALSO</a></h1> <p><a href="file://C|\ADE\aime_smenon_perl_090715\perl\html/lib/Digest.html">the Digest manpage</a></p> <table border="0" width="100%" cellspacing="0" cellpadding="3"> <tr><td class="block" style="background-color: #cccccc" valign="middle"> <big><strong><span class="block"> Digest::file - Calculate digests of files</span></strong></big> </td></tr> </table> </body> </html>
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