Magento Product Collection by Attribute Filter

Add attribute to filter in product collection

The below part code shows the product collection filter by attribute.

For example
You want to filter the product collection by status enabled product,
refer the code below this do that

$collection  = Mage::getModel ('catalog/product')
                    ->getCollection()
                    ->addAttributeToFilter('status',
                        array('eq' => Mage_Catalog_Model_Product_Status::STATUS_ENABLED)
                      );

print_r($collection);