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.