def stats(filename,*args)
    fn = OptArg.quote(filename)
    opt = OptArg.parse(*args)
    puts send_cmd "stats #{fn} #{opt}"
  end
def stats(filename,*args)
    fn = OptArg.quote(filename)
    opt = OptArg.parse(*args)
    puts send_cmd "stats #{fn} #{opt}"
  end
This command prepares a statistical summary of the data in one or
 two columns of a file.