Edit D:\app\Administrator\product\11.2.0\dbhome_1\perl\html\lib\English.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>English - use nice English names for ugly punctuation variables</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"> English - use nice English names for ugly punctuation variables</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="#performance">PERFORMANCE</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <h1><a name="name">NAME</a></h1> <p>English - use nice English (or awk) names for ugly punctuation variables</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> use English qw( -no_match_vars ) ; # Avoids regex performance penalty use English; ... if ($ERRNO =~ /denied/) { ... }</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>This module provides aliases for the built-in variables whose names no one seems to like to read. Variables with side-effects which get triggered just by accessing them (like $0) will still be affected.</p> <p>For those variables that have an <strong>awk</strong> version, both long and short English alternatives are provided. For example, the <a href="file://C|\ADE\aime_smenon_perl_090715\perl\html/pod/perlvar.html#__"><code>$/</code></a> variable can be referred to either $RS or $INPUT_RECORD_SEPARATOR if you are using the English module.</p> <p>See <a href="file://C|\ADE\aime_smenon_perl_090715\perl\html/pod/perlvar.html">the perlvar manpage</a> for a complete list of these.</p> <p> </p> <hr /> <h1><a name="performance">PERFORMANCE</a></h1> <p>This module can provoke sizeable inefficiencies for regular expressions, due to unfortunate implementation details. If performance matters in your application and you don't need $PREMATCH, $MATCH, or $POSTMATCH, try doing</p> <pre> use English qw( -no_match_vars ) ;</pre> <p>. <strong>It is especially important to do this in modules to avoid penalizing all applications which use them.</strong></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"> English - use nice English names for ugly punctuation variables</span></strong></big> </td></tr> </table> </body> </html>
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