code: func (m *Meta) StdinPiped() bool {
  	fi, err := wrappedstreams.Stdin().Stat()
  	if err != nil {
  		// If there is an error, let's just say its not piped
  		return false
  	}
  
  	return fi.Mode()&os.ModeNamedPipe != 0
  }
docs: // StdinPiped returns true if the input is piped.