private function _readBagInfo()
    {
        try {
            $lines = readLines($this->bagInfoFile, $this->tagFileEncoding);
            $this->bagInfoData = BagIt_parseBagInfo($lines);
        } catch (Exception $exc) {
            array_push(
                $this->bagErrors,
                array('baginfo', 'Error reading bag info file.')
            );
        }
    }