GTA V Snapmatic to JPG converter

convert.py

#!/usr/bin/env python3

# Converts GTA V's snapmatic files to JPG files.
# It basically removes the first 292 bytes from the file.
#
# Usage: python3 convert.py file1 file2 file3...
#
# Output is stored as file1.jpg, file2.jpg, file3.jpg
# in the same directory.

import os
import sys

OFFSET = 292


def convert(name):
    with open(name, 'rb') as in_file:
        with open(name + '.jpg', 'wb') as out_file:
            out_file.write(in_file.read()[OFFSET:])


def main():
    for name in sys.argv[1:]:
        if os.path.isfile(name):
            convert(name)
        else:
            print('WARNING: {} is not a file'.format(name), file=sys.stderr)


if __name__ == '__main__':
    main()