Command line script that shows the MD5 checksum for a given file.

md5.py

# md5.py -- Simple MD5 checksum tool in Python.
# By Philip Conrad on 2014-12-26. Public Domain.
import hashlib
import sys

if __name__ == '__main__':
    try:
        m = hashlib.md5()
        text = open(sys.argv[1], "rb").read()
        m.update(text)
        print m.hexdigest()
    except IndexError:
        print "USAGE: python md5.py FILENAME\n"