Utility to "convert" Sony PMP photo files to JPEG

pmp2jpeg.py

#!/usr/bin/env python3

"""Extract JPEG files from Sony PMP files"""

import sys
import os

for name in sys.argv[1:]:
    print(name, end='->')
    with open(name, 'rb') as fp:
        octets = fp.read()
    base, ext = os.path.splitext(name)
    new_name = base+'.jpeg'
    with open(new_name, 'wb') as fp:
        fp.write(octets[124:])
    print(new_name)