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#!/usr/bin/env python3
"""Detects and removes sub-capsets.
[00 01 10] is a subcapset of [00 01 10 22], and thus would be filtered."""
from sys import argv, stdout
def main():
if len(argv) <= 1: infile = "capset.out"
if len(argv) > 1: infile = argv[1]
if len(argv) <= 2: outfile = "capset.filtered"
if len(argv) > 2: outfile = argv[2]
capsets = []
capset_file = open(infile, "r")
for line in capset_file:
capsets.append(tuple(line[1:-2].split(" ")))
capset_file.close()
if outfile:
stdout = open(outfile, "w")
capsetSet = set(capsets)
for capset in capsets:
for i in range(len(capset)):
capsetSet.discard(capset[:i] + capset[i+1:])
for capset in capsets:
if capset in capsetSet:
print("[" + " ".join(capset) + "]", file=stdout)
if __name__ == "__main__":
main()
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