/ 
Catmandu-Fix-cmd-0.0201
River stage zero No dependents
/ Catmandu::Fix::cmd

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.