Recursively rename files to work nicely on NTFS.

file_renamer.py

import os
from os import path, listdir

bad = {'*':'_', '\\':'__'}

def getDirs(path):
  return [ name for name in listdir(path) if path.isdir(path.join(thedir, name)) ]

def printAll(uri):
	elements = listdir(uri)
	#sanitize
	for e in elements:
		item = path.join(uri, e)
		new_name = e
		for c in bad:
			new_name = new_name.replace(c, bad[c])
		if new_name != e:
			print 'renaming: %s to %s' % (item, new_name)
			#os.rename(item, path.join(uri, new_name))

	elements = listdir(uri)
	# recurse
	dirs = [d for d in elements if path.isdir(path.join(uri, d))]

	for d in dirs: printAll(path.join(uri, d))

printAll(os.getcwd())