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1 package PerlIO::scalar; 2 our $VERSION = '0.05'; 3 use XSLoader (); 4 XSLoader::load 'PerlIO::scalar'; 5 1; 6 __END__ 7 8 =head1 NAME 9 10 PerlIO::scalar - in-memory IO, scalar IO 11 12 =head1 SYNOPSIS 13 14 my $scalar = ''; 15 ... 16 open my $fh, "<", \$scalar or die; 17 open my $fh, ">", \$scalar or die; 18 open my $fh, ">>", \$scalar or die; 19 20 or 21 22 my $scalar = ''; 23 ... 24 open my $fh, "<:scalar", \$scalar or die; 25 open my $fh, ">:scalar", \$scalar or die; 26 open my $fh, ">>:scalar", \$scalar or die; 27 28 =head1 DESCRIPTION 29 30 A filehandle is opened but the file operations are performed "in-memory" 31 on a scalar variable. All the normal file operations can be performed 32 on the handle. The scalar is considered a stream of bytes. Currently 33 fileno($fh) returns -1. 34 35 =head1 IMPLEMENTATION NOTE 36 37 C<PerlIO::scalar> only exists to use XSLoader to load C code that 38 provides support for treating a scalar as an "in memory" file. 39 One does not need to explicitly C<use PerlIO::scalar>. 40 41 =cut
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