gistfile1.php

<?
        function update_slug(){
            $this->load->helper('url');
            $entries=$this->db->get('TABLE')->result();
            foreach($entries as $entry){
                $slug=url_title($entry->NAME,'-',TRUE);
                $this->db->update('TABLE',array('SLUG'=>$slug),array('id'=>$entry->id));
            }
        }
        
?>