public function render(Varien_Object $row) { $fileName = preg_replace('/^\\//', '', $row->getSimplegoogleshoppingPath() . $row->getSimplegoogleshoppingFilename()); $url = $this->htmlEscape(Mage::app()->getStore($row->getStoreId())->getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB) . $fileName); if (file_exists(BP . DS . $fileName)) { return sprintf('<a href="%1$s?r=' . time() . '" target="_blank">%1$s</a>', $url); } return $url; }