code: func TaskSayHello(t *tasking.T) {
  	username := t.Flags.String("name")
  	if username == "" {
  		user, _ := user.Current()
  		username = user.Name
  	}
  
  	if t.Flags.Bool("verbose") {
  		t.Logf("Hello %s, the time now is %s\n", username, time.Now())
  	} else {
  		t.Logf("Hello %s\n", username)
  	}
  }
docs: // NAME
  //    say-hello - Say hello to current user
  //
  // DESCRIPTION
  //    Print out hello to current user
  //
  // OPTIONS
  //    -n, --name=<NAME>
  //        say hello to an user with the given NAME
  //    -v, --verbose
  //        run in verbose mode