| #!/usr/bin/env python3 |
| |
| import os |
| import sys |
| |
| assert(os.path.exists(sys.argv[3])) |
| |
| args = sys.argv[:-1] |
| |
| if __name__ == '__main__': |
| if len(args) != 3 or not args[1].startswith('--input') or \ |
| not args[2].startswith('--output'): |
| print(args[0], '--input=input_file --output=output_file') |
| sys.exit(1) |
| with open(args[1].split('=')[1]) as f: |
| ifile = f.read() |
| if ifile != 'This is a text only input file.\n': |
| print('Malformed input') |
| sys.exit(1) |
| with open(args[2].split('=')[1], 'w') as ofile: |
| ofile.write('This is a binary output file.\n') |
