rrr.py

#! /usr/bin/env python

"""
R andom R ecursive R ename

obfuscate the names of a bunch of stuff whilst preserving directory structure
"""

from random import randint
from os import *

import sys


def rrr(dir):
    # recursively walk all directories from `dir`
    for dirpath, dirnames, filenames in walk(dir):

        # every file in a given directory
        for f in filenames:

            # the full path to each file
            filepath = path.join(dirpath, f)

            # just the extension
            fn, ext = path.splitext(f)

            # rename expects full paths, so join the path with the
            # random filename and the extension
            newpath = path.join(dirpath, randfn() + ext)
            rename(filepath, newpath)


def randfn():
    return hex(randint(0, pow(2, 32)))

try:
    base_dir = sys.argv[1]
except IndexError as e:
    print("{} <starting directory>".format(sys.argv[0]))
    exit(-1)

answer = raw_input(
    "rename everything in {}? (yes to confirm): ".format(base_dir))

if answer == 'yes':
    rrr(base_dir)
else:
    print("cancelled")