added separate slice to append songs to m3u playlist

main.go

@@ -139,18 +139,20 @@ func main() {
 
 	var files []string
 	var songs []string
+	var m3usongs []string
 
 	for _, track := range tracks {
 		song, file := gatherVideo(cfg.Youtube, track.Title, track.Artist, track.Album)
-		files = append(files, file)
-		if song != "" {
+		files = append(files, file) // used for deleting .webms
+		if song != "" { // used for creating playlists
+			m3usongs = append(m3usongs, file)
 			songs = append(songs, song)
 		}
 	}
 
 	cleanUp(cfg, files)
 
-	err := createPlaylist(cfg, songs, files, system)
+	err := createPlaylist(cfg, songs, m3usongs, system)
 	if err != nil {
 		log.Fatal(err.Error())
 	}

youtube.go

@@ -165,7 +165,7 @@ func gatherVideo(cfg Youtube, song, artist, album string) (string, string) {
 			log.Printf("failed getting stream: %s", err.Error())
 		}
 	}
-	// if getting song from topic channel fails, try getting from first available channel
+	// if getting song from official channel fails, try getting from first available channel
 	for _, video := range videos.Items {
 		if filter(song, artist, video.Snippet.Title) {
 		stream, err := getVideo(video.ID.VideoID)