#! /usr/bin/env python | |
"""Python utility to print MD5 checksums of argument files. | |
Works with Python 2.1 and later. | |
""" | |
import sys, md5 | |
BLOCKSIZE = 1024*1024 | |
def main(): | |
args = sys.argv[1:] | |
if not args: | |
sys.stderr.write("usage: %s file ...\n" % sys.argv[0]) | |
sys.exit(2) | |
for file in sys.argv[1:]: | |
f = open(file, "rb") | |
sum = md5.new() | |
while 1: | |
block = f.read(BLOCKSIZE) | |
if not block: | |
break | |
sum.update(block) | |
f.close() | |
print sum.hexdigest(), file | |
if __name__ == "__main__": | |
main() |