new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  import sys
  import yaml
  import clg
  
  OPTIONS_FILE = os.path.join(os.path.dirname(__file__), 'conf', 'options.yml')
  try:
      OPTIONS = yaml.load(open(OPTIONS_FILE), Loader=clg.YAMLOrderedDictLoader)
  except Exception as exc:
      print("Unable to load command-line configuration: %s" % exc)
      sys.exit(1)
  
  def main():
      parser = clg.CommandLine(OPTIONS)
      parser.parse()
  
  if __name__ == '__main__':
      main()
  
subject: Add command-line.