use strict;
use vars qw($VERSION %IRSSI);

use Irssi qw(command_bind active_win);
$VERSION = '1.10';
%IRSSI = (
    authors	=> 'Juerd',
    contact	=> 'juerd@juerd.nl',
    name	=> 'Calculator',
    description	=> 'Simple /calc mechanism',
    license	=> 'Public Domain',
    url		=> 'http://juerd.nl/irssi/',
    changed	=> 'Thu Mar 19 11:00 CET 2002',
);

command_bind(
    calc => sub {
	my ($msg) = @_;
	for ($msg) {
	    s/,/./g;
	    s/[^*.+0-9&|)(x\/^-]//g;
	    s/\*\*/^/g;
	    s/([*+\\.\/x-])\1*/$1/g;
	    s/\^/**/g;
	    s/(?<!0)x//g;
	}
	my $answer = eval("($msg) || 0");
	active_win->print($@ ? "$msg = ERROR (${\ (split / at/, $@, 2)[0]})" : "$msg = $answer");
    }
);