from sys import argv from os.path import exists script, from_file, to_file = argv print(f"Copying from {from_file} to {to_file}") # we could do these two on one line, how ? in_file = open(from_file) indata = in_file.read() print(f"The input file is {len(indata)} bytes long") print(f"Does the output file exist? {exists(to_file)}") print("Ready, hit RETURN to continue, CTRL-C to abort.") input() out_file = open(to_file, 'w') out_file.write(indata) print("Alright, all done.") out_file.close() in_file.close()