app/code/core/Mage/Adminhtml/controllers/Catalog/Product/Action/AttributeController.php
<?php
//Tested in 1.5.1.0
//<pre>app/code/core/Mage/Adminhtml/controllers/Catalog/Product/Action/AttributeController.php
//find function saveAction():
//find parameter.
//$this->_getSession()->addNotice(
//public function saveAction()
//{
//...
//$this->_getSession()->addNotice(
//$this->__('Please refresh "Catalog URL Rewrites" and "Product Attributes" in System -> <a href="%s">Index Management</a>', $this->getUrl('adminhtml/process/list'))
//);
//}
//...
//Added hack to set update timestamp of products in MASS EDIT products starts
Mage::log("Mass Update Products : ".$this->_getHelper()->getProductIds());
$pk_product_ids = $this->_getHelper()->getProductIds();
$curr_date = date("Y-m-d H:i:s");
foreach($pk_product_ids as $product_id){
$product = Mage::getModel('catalog/product')->load($product_id);
$productInfoData = $product->getData();
$productInfoData['updated_at'] = $curr_date;
$product->setData($productInfoData);
$product->save();
Mage::log('<br />'.$product_id .' Updated');
}
//Added hack to set update timestamp of products in MASS EDIT products ends
//.....
//}</pre>
?>