- m = md5()
- m.update(util.to_bytes(str(random.sample(range(100000), 500))))
- digest = m.hexdigest()
-
- marker_start = "--- FILE BEGIN DIGEST %s ---" % digest
- marker_end = "--- FILE END DIGEST %s ---" % digest
-
- f = open(outfile, 'wb')
- cmd = "echo \"%s\"; cat %s; echo \"%s\"" % (marker_start, file, marker_end)