text: #!/usr/bin/env python
  
  import os
  import spf
  import sys
  
  def main():
      if len(sys.argv) != 4:
          print('[' + os.path.basename(__file__) + '] invalid number of arguments.')
          sys.exit(1)
  
      result, explanation = spf.check2(sys.argv[1], sys.argv[2], sys.argv[3])
      print(result + ',' + explanation)
      sys.exit(0)
  
  if __name__ == '__main__':
      main()
  