gistfile1.aw

<?php
require 'app/Mage.php';
umask(0);
Mage::app();

$attribute = Mage::getModel('catalog/entity_attribute')->loadByCode(
    Mage::getModel('eav/entity')->setType('catalog_product')->getTypeId(),
    'tiger_cost'
);

$attributeSets = Mage::getModel('eav/entity_attribute_set')->getCollection();
foreach ($attributeSets as $set) {
    $attributeGroup = Mage::getModel('eav/entity_attribute_group')->getCollection()
            ->addFieldToFilter('attribute_set_id', array('eq' => $set->getId()))
            ->addFieldToFilter('attribute_group_name', array('eq' => 'General'))
            ->getFirstItem();

    $attribute->setAttributeSetId($attributeGroup->getAttributeSetId());
    $attribute->setAttributeGroupId($attributeGroup->getAttributeGroupId());
    $attribute->save();
}

/* PHP Fatal error:  Call to undefined method Mage_Eav_Model_Resource_Entity_Attribute::isUsedBySuperProducts() in /var/www/app/code/core/Mage/Catalog/Model/Entity/Attribute.php on line 86 */