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PerlIO::scalar(3pm)		 Perl Programmers Reference Guide	      PerlIO::scalar(3pm)

       PerlIO::scalar - in-memory IO, scalar IO

	  my $scalar = '';
	  open my $fh, "<",  \$scalar or die;
	  open my $fh, ">",  \$scalar or die;
	  open my $fh, ">>", \$scalar or die;


	  my $scalar = '';
	  open my $fh, "<:scalar",  \$scalar or die;
	  open my $fh, ">:scalar",  \$scalar or die;
	  open my $fh, ">>:scalar", \$scalar or die;

       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.

       "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

perl v5.16.3				    2013-03-04			      PerlIO::scalar(3pm)
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