code: func (b *Birc) handleFiles(msg *config.Message) bool {
  	if msg.Extra == nil {
  		return false
  	}
  	for _, rmsg := range helper.HandleExtra(msg, b.General) {
  		b.Local <- rmsg
  	}
  	if len(msg.Extra["file"]) == 0 {
  		return false
  	}
  	for _, f := range msg.Extra["file"] {
  		fi := f.(config.FileInfo)
  		if fi.Comment != "" {
  			msg.Text += fi.Comment + ": "
  		}
  		if fi.URL != "" {
  			msg.Text = fi.URL
  			if fi.Comment != "" {
  				msg.Text = fi.Comment + ": " + fi.URL
  			}
  		}
  		b.Local <- config.Message{Text: msg.Text, Username: msg.Username, Channel: msg.Channel, Event: msg.Event}
  	}
  	return true
  }
docs: // handleFiles returns true if we have handled the files, otherwise return false