def interactive_write(card): track = int(input("Enter track to write (1/2/3): ")) data = input(f"Enter data for track track (max TRACK_MAX_LEN[track] chars): ").strip() try: card.write_track(track, data) print(f"Track track written successfully.") except ValueError as e: print(f"Write failed: e")
if == " main ": main()
def cli_mode(args): card = MagCard() if args.write: try: track, data = args.write.split(':', 1) track = int(track) card.write_track(track, data) print(f"Written track track: data") except Exception as e: print(f"Error writing: e") if args.read: try: track = int(args.read) data = card.read_track(track) print(f"Track track: data if data else '<empty>'") except Exception as e: print(f"Error reading: e") magcard write read utility program