title: Modify entry in OpenLDAP directory
body: <p>I have a large Openldap directory. In the directory the display name property for every is filled but i need to modify these entry and make it like "givenName +  + sn". Is there are way i can do it directly in the directory just like sql queries (update query). I have read about the ldapmodify but could not find the way to use it like this.</p>
  
  <p>Any help in this regard will be appreciated.</p>