Edit D:\app\Administrator\product\11.2.0\dbhome_1\perl\html\lib\PerlIO\scalar.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>PerlIO::scalar - in-memory IO, scalar IO</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"> PerlIO::scalar - in-memory IO, scalar IO</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="#implementation_note">IMPLEMENTATION NOTE</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <h1><a name="name">NAME</a></h1> <p>PerlIO::scalar - in-memory IO, scalar IO</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> my $scalar = ''; ... open my $fh, "<", \$scalar or die; open my $fh, ">", \$scalar or die; open my $fh, ">>", \$scalar or die;</pre> <p>or</p> <pre> my $scalar = ''; ... open my $fh, "<:scalar", \$scalar or die; open my $fh, ">:scalar", \$scalar or die; open my $fh, ">>:scalar", \$scalar or die;</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>A filehandle is opened but the file operations are performed "in-memory" on a scalar variable. All the normal file operations can be performed on the handle. The scalar is considered a stream of bytes. Currently <a href="file://C|\ADE\aime_smenon_perl_090715\perl\html/pod/perlfunc.html#fileno"><code>fileno($fh)</code></a> returns -1.</p> <p> </p> <hr /> <h1><a name="implementation_note">IMPLEMENTATION NOTE</a></h1> <p><code>PerlIO::scalar</code> only exists to use XSLoader to load C code that provides support for treating a scalar as an "in memory" file. One does not need to explicitly <code>use PerlIO::scalar</code>.</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"> PerlIO::scalar - in-memory IO, scalar IO</span></strong></big> </td></tr> </table> </body> </html>
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