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package PerlIO::via::QuotedPrint;
$VERSION= '0.08';
# be as strict as possible
use strict;
# modules that we need
use MIME::QuotedPrint (); # no need to pollute this namespace
# satisfy -require-
1;
#-------------------------------------------------------------------------------
#
# Standard Perl features
#
#-------------------------------------------------------------------------------
# IN: 1 class to bless with
# 2 mode string (ignored)
# 3 file handle of PerlIO layer below (ignored)
# OUT: 1 blessed object
sub PUSHED { bless \*PUSHED,$_[0] } #PUSHED
#-------------------------------------------------------------------------------
# IN: 1 instantiated object (ignored)
# 2 handle to read from
# OUT: 1 decoded string
sub FILL {
# decode and return
my $line= readline( $_[1] );
return ( defined $line )
? MIME::QuotedPrint::decode_qp($line)
: undef;
} #FILL
#-------------------------------------------------------------------------------
# IN: 1 instantiated object (ignored)
# 2 buffer to be written
# 3 handle to write to
# OUT: 1 number of bytes written
sub WRITE {
# encode and write to handle: indicate result
return ( print { $_[2] } MIME::QuotedPrint::encode_qp( $_[1] ) )
? length( $_[1] )
: -1;
} #WRITE
#-------------------------------------------------------------------------------
__END__
=head1 NAME
PerlIO::via::QuotedPrint - PerlIO layer for quoted-printable strings
=head1 SYNOPSIS
use PerlIO::via::QuotedPrint;
open( my $in, '<:via(QuotedPrint)', 'file.qp' )
or die "Can't open file.qp for reading: $!\n";
open( my $out, '>:via(QuotedPrint)', 'file.qp' )
or die "Can't open file.qp for writing: $!\n";
=head1 VERSION
This documentation describes version 0.08.
=head1 DESCRIPTION
This module implements a PerlIO layer that works on files encoded in the
quoted-printable format. It will decode from quoted-printable while reading
from a handle, and it will encode as quoted-printable while writing to a handle.
=head1 REQUIRED MODULES
MIME::QuotedPrint (any)
=head1 SEE ALSO
L<PerlIO::via>, L<MIME::QuotedPrint>, L<PerlIO::via::Base64>,
L<PerlIO::via::MD5>, L<PerlIO::via::StripHTML>, L<PerlIO::via::Rotate>.
=head1 ACKNOWLEDGEMENTS
Based on example that was initially added to MIME::QuotedPrint.pm for the
5.8.0 distribution of Perl.
=head1 COPYRIGHT
Copyright (c) 2002, 2003, 2004, 2012 Elizabeth Mattijsen. All rights reserved.
This library is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
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