Xcode diff selection with Clipboard

Yet another User Script to restore functionality lost from the IDE (at least it’s possible - pbpaste and pbcopy are pretty cool). This kind of thing is useful when you’ve moved code between files and changes are still coming in the old files - or any case really where you’ve got similar text but your diff tool isn’t acrobatic enough to realize something that we as moo-hans pick up easily.

I’ve moved beyond xxdiff (sorry