In Playlist.load() a check for an empty file was added.

internal/radio/playlist.go

@@ -50,10 +50,16 @@ func (p *Playlist) load() error {
 	if err != nil {
 		return errors.Wrap(err, "cannot open a playlist file")
 	}
+
+	if len(data) == 0 {
+		return errors.New("a playlist file is empty. Did not update")
+	}
+
 	p.Lock()
 	p.playlist = strings.Split(string(data), "\n")
 	p.cur = 0
 	p.Unlock()
+
 	return nil
 }