Bulk Set Magento Stock Status as True

Reset Stock Status as in Stock

define('MAGENTO_ROOT', "/path/to/magento");

$mageFilename = MAGENTO_ROOT . '/app/Mage.php';

require_once $mageFilename;
umask(0);
Mage::app();
Mage::app()->getStore()->setId(0);


class Mage_Shell_setStock {
        $stockCollection = Mage::getModel('catalog/product')->getCollection();
        foreach ($stockCollection as $stockItem) {
            $product = mage::getModel('catalog/product')->setStoreId(0)->load($stockObject->getId());
            if ($stockItem->getIsInStock() == False) {
                try {
                    $stockItem->setIsInStock(True)->save();
                    $this->_doReindexFlag = true;
                }
                catch (Exception $e) {
                    Mage::Log($e);
                    echo "Problem setting SKU ".$product->getSku()." into stock \n";
                }
            }
        }
        
        if ($this->_doReindexFlag) {
            $this->reindex(array('cataloginventory_stock',
                                 'catalogsearch_fulltext',
                           ));
        }
}

$shell = new Mage_Shell_setStock();
$shell->run();