private function cmdHelp($args)
    {
        $help = isset($args[1]) ? $args[1] : 'help';
        $file = __DIR__.'/../help/'.$help.'.txt';

        if (!file_exists($file)) {
            return $this->error('&help-not-found');
        }

        echo file_get_contents(__DIR__.'/../help/'.$help.'.txt');
    }