public function meta(array $rows, $block = null)
    {
        $output = [];
        foreach ($rows as $row) {
            $output[] = trim($row);
        }

        $output = implode($this->eol, $output) . $this->eol;

        if ($block !== null) {
            $this->_View->append($block, $output);
            return null;
        }

        return $output;
    }