Chris Williams

NAME

POE::Filter::LZW - A POE filter wrapped around Compress::LZW

VERSION

version 1.74

SYNOPSIS

    use POE::Filter::LZW;

    my $filter = POE::Filter::LZW->new();
    my $scalar = 'Blah Blah Blah';
    my $compressed_array   = $filter->put( [ $scalar ] );
    my $uncompressed_array = $filter->get( $compressed_array );

    use POE qw(Filter::Stackable Filter::Line Filter::LZW);

    my ($filter) = POE::Filter::Stackable->new();
    $filter->push( POE::Filter::LZW->new(),
                   POE::Filter::Line->new( InputRegexp => '\015?\012', OutputLiteral => "\015\012" ),

DESCRIPTION

POE::Filter::LZW provides a POE filter for performing compression/decompression using Compress::LZW. It is suitable for use with POE::Filter::Stackable.

CONSTRUCTOR

new

Creates a new POE::Filter::LZW object.

METHODS

get_one_start
get_one
get

Takes an arrayref which is contains lines of compressed input. Returns an arrayref of decompressed lines.

put

Takes an arrayref containing lines of uncompressed output, returns an arrayref of compressed lines.

clone

Makes a copy of the filter, and clears the copy's buffer.

level

Sets the compression level. Consult Compress::LZW for details.

SEE ALSO

POE

Compress::LZW

POE::Filter::Stackable

AUTHOR

Chris Williams <chris@bingosnet.co.uk>

COPYRIGHT AND LICENSE

This software is copyright (c) 2017 by Chris Williams.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.