| Guido van Rossum | 9966e2c | 2001-06-22 16:05:48 +0000 | [diff] [blame] | 1 | #! /usr/bin/env python |
| 2 | |
| 3 | """Python utility to print MD5 checksums of argument files. |
| 4 | |
| Andrew M. Kuchling | 343cbd0 | 2002-04-17 21:50:03 +0000 | [diff] [blame^] | 5 | Works with Python 2.1 and later. |
| Guido van Rossum | 9966e2c | 2001-06-22 16:05:48 +0000 | [diff] [blame] | 6 | """ |
| 7 | |
| 8 | import sys, md5 |
| 9 | |
| 10 | BLOCKSIZE = 1024*1024 |
| 11 | |
| Guido van Rossum | 9966e2c | 2001-06-22 16:05:48 +0000 | [diff] [blame] | 12 | def main(): |
| 13 | args = sys.argv[1:] |
| 14 | if not args: |
| 15 | sys.stderr.write("usage: %s file ...\n" % sys.argv[0]) |
| 16 | sys.exit(2) |
| 17 | for file in sys.argv[1:]: |
| 18 | f = open(file, "rb") |
| 19 | sum = md5.new() |
| 20 | while 1: |
| 21 | block = f.read(BLOCKSIZE) |
| 22 | if not block: |
| 23 | break |
| 24 | sum.update(block) |
| 25 | f.close() |
| Andrew M. Kuchling | 343cbd0 | 2002-04-17 21:50:03 +0000 | [diff] [blame^] | 26 | print sum.hexdigest(), file |
| Guido van Rossum | 9966e2c | 2001-06-22 16:05:48 +0000 | [diff] [blame] | 27 | |
| 28 | if __name__ == "__main__": |
| 29 | main() |