protected function parse( $fileName )
	{
		if( !file_exists( $fileName ) )
			throw new Exception( "Cron Tab File '".$fileName."' is not existing." );
		$reader	= new FS_File_Reader( $fileName );
		$lines	= $reader->readArray();
		$lines	= file( $fileName );
		foreach( $lines as $line )
			if( trim( $line ) && !preg_match( "@^#@", $line ) )
				$this->parseJob( $line );
	}