#!/usr/bin/env python

# Try to create a file with the given file name, but throws an exception
# if a file with that name already exists.

import os
import sys

filename = sys.argv[1]

try:
  fd = os.open(filename, os.O_WRONLY | os.O_CREAT | os.O_EXCL, 0666)

except OSError, (errno, strerror):
  print 'error(%s): %s' % (errno, strerror)