#!/usr/bin/perl
#Copyright (c) 2009, Zane C. Bowers
#All rights reserved.
#
#Redistribution and use in source and binary forms, with or without modification,
#are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#   * Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
#ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
#WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
#IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
#INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
#BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
#DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
#LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
#THE POSSIBILITY OF SUCH DAMAGE.

use strict;
use warnings;
use Getopt::Std;
use Chooser;


$Getopt::Std::STANDARD_HELP_VERSION = 1;

#version function
sub main::VERSION_MESSAGE {
        print "chooser 0.0.0\n";
}

#print help
sub main::HELP_MESSAGE {
        print "\n".
		      "-f <file>  The file to process.\n".
			  "-n  Don't print a new line.\n";
}

#gets the options
my %opts=();
getopts('f:n', \%opts);

#reads it
open(CHOOSERREAD, '<', $opts{f});
my $chooser=join('', <CHOOSERREAD>);
close(CHOOSERREAD);

#run it
my ($success, $choosen) = choose($chooser);

#exit if it errored
if (!$success) {
	exit 1;
}

print $choosen;

if ($opts{n}) {
	exit 0;
}

print "\n";

exit 0;
