NAME

Catmandu::Fix::cmd - pipe data to be fixed through an external process

VERSION

Version 0.0201

DESCRIPTION

This fix passes data as a JSON object to an external process over stdin and reads a JSON object from it's stdout.

SYNOPSIS

    my $fixer = Catmandu::Fix->new(fixes => [
        # pipe data through the jq command-line json processor
        # keeping only the title field
        'cmd("jq -c -M {title}")', 
        # ...
    ]);
    # a canonical external program in perl
    use JSON;
    while (<STDIN>) {
        my $data = decode_json($_);
        # ...
        print encode_json($data);
    }

SEE ALSO

Catmandu::Fix

AUTHOR

Nicolas Steenlant, "<nicolas.steenlant at ugent.be>"

LICENSE AND COPYRIGHT

This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.