#!/usr/bin/env python
#
# (C) 2002 Markku Hänninen (hmm@iki.fi)
#


import sys, os, tempfile, shutil


def runprog(command):
    p = os.popen(command, 'r')
    s = p.read()
    ret = p.close()
    return s

def rotatepic(pic, degree):
    tmpfile = tempfile.mktemp()
    runprog("jpegtran -rotate %d -outfile %s %s" % (degree, tmpfile, pic))
    shutil.copyfile(tmpfile, pic)
    os.unlink(tmpfile)

for p in sys.argv[1:]:
    rotatepic(p, 270)