#!/usr/bin/env perl
# $Id: get_relationship_id_vs_relationship_namespace.pl 2013-09-29 erick.antezana $
#
# Script  : get_relationship_id_vs_relationship_namespace.pl
# Purpose : Generates a flat file with two columns (TAB separated) with the 
#           relationship_id and relationship_namespace (e.g. biological process) from the elements 
#           of the given OBO ontology.
# Usage   : get_relationship_id_vs_relationship_namespace.pl my_ontology.obo > relationship_id_vs_relationship_namespace.txt
# License : Copyright (c) 2006-2014 by Erick Antezana. All rights reserved.
#           This program is free software; you can redistribute it and/or
#           modify it under the same terms as Perl itself.
# Contact : Erick Antezana <erick.antezana -@- gmail.com>
#
################################################################################

use Carp;
use strict;
use warnings;

use OBO::Parser::OBOParser;

my $my_parser = OBO::Parser::OBOParser->new();
my $ontology = $my_parser->work(shift(@ARGV));

foreach my $relationship (@{$ontology->get_relationship_types()}) {
	print $relationship->id(), "\t", $relationship->namespace(), "\n" if (defined $relationship->namespace()); 
}

exit 0;

__END__

=head1 NAME

get_relationship_id_vs_relationship_namespace.pl - Gets the relationship IDs and its namespaces in a given ontology.

=head1 DESCRIPTION

Generates a flat file with two columns (TAB separated) with the 
relationship_id and relationship_namespace (e.g. biological process)
from the elements of the given OBO ontology.

=head1 AUTHOR

Erick Antezana, E<lt>erick.antezana -@- gmail.comE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (c) 2006-2014 by Erick Antezana

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.7 or,
at your option, any later version of Perl 5 you may have available.

=cut