Quote Originally Posted by Taliriah View Post
Obviously it would be when you log off.


And equally obviously, the diff would be applied to update the server side version of the saved data, not appended to a list.



Well, here's something you should know: computers can take care of routine operations automatically. Aint technology marvelous?
You are a developer. You know things are very rarely simple as it sounds. I can come up with several questions that would need answered before even thinking about starting on automating this.