Make a jpeg file dartier

aging.py

import Image
import glob, os, sys
counter = int(sys.argv[2])
def aging(filename, counter):
	image = Image.open(filename)
	image.save(filename, "JPEG", quality=10)
	counter = counter - 1
	if counter>0:
		aging(filename, counter)

aging(sys.argv[1], counter)