()
| 18 | sys_argv = sys.argv |
| 19 | |
| 20 | def usage(): |
| 21 | sys.stderr.write("Usage: %s n file\n" % sys_argv[0]) |
| 22 | sys.stderr.write("where n is the number of most frequently\n") |
| 23 | sys.stderr.write("used words you want to find, and \n") |
| 24 | sys.stderr.write("file is the name of the file in which to look.\n") |
| 25 | |
| 26 | if len(sys_argv) < 3: |
| 27 | usage() |