image-tidy.py

#!/usr/bin/python2.7

PATH='./src/assets/'

import os, subprocess

for f in os.listdir(PATH):
  name, ext = os.path.splitext(f)

  if ext in ['.svg', '.png', '.jpg', '.ico']:
    output = subprocess.Popen(['ag', '%s' % f], stdout=subprocess.PIPE).communicate()[0];

    if not len(output):
      print '%s is unused and should be removed.' % (PATH + f)