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package PAR::Filter::Bleach;
use strict;
use base 'PAR::Filter';
=head1 NAME
PAR::Filter::Bleach - Bleach filter
=head1 SYNOPSIS
PAR::Filter::Bleach->apply(\$code); # transforms $code
=head1 DESCRIPTION
This filter removes all the unsightly printable characters from
your source file, using an algorithm similar to Damian Conway's
L<Acme::Bleach>.
=cut
sub apply {
my $ref = $_[1];
$$ref = unpack("b*", $$ref);
$$ref =~ tr/01/ \t/;
$$ref =~ s/(.{9})/$1\n/g;
$$ref = q($_=<<'';y;\r\n;;d;$_=pack'b*',$_;$_=eval;$@&&die$@;$_)."\n$$ref\n\n";
}
1;
=head1 SEE ALSO
L<PAR::Filter>
=head1 AUTHORS
Audrey Tang E<lt>cpan@audreyt.orgE<gt>
L<http://par.perl.org/> is the official PAR website. You can write
to the mailing list at E<lt>par@perl.orgE<gt>, or send an empty mail to
E<lt>par-subscribe@perl.orgE<gt> to participate in the discussion.
Please submit bug reports to E<lt>bug-par@rt.cpan.orgE<gt>.
=head1 COPYRIGHT
Copyright 2003, 2004, 2005, 2006 by Audrey Tang E<lt>cpan@audreyt.orgE<gt>.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
See L<http://www.perl.com/perl/misc/Artistic.html>
=cut
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