Hey There, I want to learn how to programm a mac application, simply because I want to develop a program to solve something that I haven't yet been able to with another App. So I am willing to go down that road, but since I want to write an app, that renames files based on metadata. I was just wondering how complex of a thing that is to do? Is that a goal I will be able to reach in a few month, or does it requier very deep knowledge of the macs filesystem or whatever. thanks!