R. David Murray: > Given your description, I don't see any reason to prefer any alternate > data structure. 1000 small CSV files should fit in a modern computer's > memory with no problem...and if it does become an issue, worry about it > then.
The OP can also try the "diff" command that can be found implemented both on Linux and Windows. Bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list