[Alex Martelli] > In your shoes, I would write a class whose instances hold three sets: > -- the "master set" is what you originally read from the file > -- the "added set" is the set of things you've added since then > -- the "deleted set" is the set of things you've deleted since them
FWIW, I've posted a trial implementation in the Python cookbook: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/511496 Raymond Hettinger -- http://mail.python.org/mailman/listinfo/python-list
