NAME
PerlIO::scalar - in-memory IO, scalar IO
SYNOPSIS
1 2 3 4 5 | my $scalar = '';...open my $fh, "<", \$scalar or die;open my $fh, ">", \$scalar or die;open my $fh, ">>", \$scalar or die; |
or
1 2 3 4 5 | my $scalar = '';...open my $fh, "<:scalar", \$scalar or die;open my $fh, ">:scalar", \$scalar or die;open my $fh, ">>:scalar", \$scalar or die; |
DESCRIPTION
A filehandle is opened but the file operations are performed "in-memory" on a scalar variable. All the normal file operations can be performed on the handle. The scalar is considered a stream of bytes. Currently fileno($fh) returns -1.
IMPLEMENTATION NOTE
PerlIO::scalar 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 use PerlIO::scalar .
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