RetroDECK/functions/crc32.py

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Python
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#!/usr/bin/env python
import os, sys
import zlib
def crc32(fileName):
prev = 0
for eachLine in open(fileName,"rb"):
prev = zlib.crc32(eachLine, prev)
return "%X"%(prev & 0xFFFFFFFF)
print(crc32(sys.argv[1]).lower())