# Find encrypted or compressed files
# This isn't perfect, but typically compressed or encrypted files 
# can't be further compressed.  Properly encryped files look like
# random data and fully compressed files can't be made smaller.
import bz2, os
from os.path import join, getsize

for root, dirs, files in os.walk('.'):
	for name in files:
		inf = file(join(root, name), 'rb')
		s=inf.read()
		inf.close()
		insize = len(s)
		if insize > 0:
			c = bz2.compress(s, 9)
			csize = len(c)
			cratio = csize * 1.0 / insize
			if cratio > .98:
				print "%s: %d/%d (%.2f)" % (join(root, name), insize, csize, cratio)