| #!/usr/bin/env python | |
| import os, sys, mmap | |
| from random import randint | |
| CAP = 0x20 | |
| RANDADDMAX = 0x20 | |
| with open(sys.argv[1], "r+b") as f: | |
| map = mmap.mmap(f.fileno(), 0) | |
| for index, char in enumerate(map): | |
| if ord(char) < CAP: | |
| map[index] = chr(ord(char) + randint(0, RANDADDMAX)) | |
| map.close() |