#! /usr/bin/perl
=begin comment
Copyright 2006 Thomas Whaples

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
=cut 

use strict;
use warnings 'all';
use CGI;
use IPC::Open2;

my $q = new CGI;
my $board = $q->param('board');

my($rdrfh, $wtrfh);
my $pid = open2($rdrfh, $wtrfh, './sudoku');

print $wtrfh "$board\n";
my $res = <$rdrfh>;
close $rdrfh;
close $wtrfh;

print "Content-type: text/plain\r\n\r\n$res\n";

waitpid $pid, 0;