# -*- coding: utf-8 -*- import sys, os try: NEW_DATA_FILE = str(sys.argv[1]) except IndexError: print ("\nusage is: \n\n py cha cha \n\n") try: input = raw_input except NameError: pass input ("Press ENTER to exit...\n") sys.exit() def main(argv): new_data_file = open(NEW_DATA_FILE, 'rb') fmh = new_data_file.read(28) header = struct.unpack("<I4H4I", fmh) magic=header(0) if magic != 0xED26FF3A: print("\nExt4 Image file\n") new_data_file.close() if __name__ == "__main__": main(sys.argv)