It’s a tool I started years ago, and I’m releasing it now.
sets.py allows you to perform operations on sets: union, intersection, subtraction and exclusive or. A set is a list of lines in a file, or a stream of bytes in a file.
I demo the tool in this video:
sets_V0_0_1.zip (https)
MD5: DF0AE1EF67B4BA04750A39EF7FAEE09C
SHA256: A5FF61610AD67CA0638E53A10DD083612C2F5BF42218DD2393AFD20035E89B9F

Article Link: https://blog.didierstevens.com/2017/03/05/new-tool-sets-py/