added running of commands

internal/cli/shell.go

@@ -126,22 +126,35 @@ func interpretCommand(command string, store musicObjectStore) (musicObjectStore,
 	return append(store, currentMusicObjects), nil
 }
 
-func Shell() {
+func Shell(commandsList ...[]string) {
 	plugin.RegisterPlugin(&plugin.Musify{})
 
+	commands := []string{}
+	if len(commandsList) > 0 {
+		commands = commandsList[0]
+	}
+
 	fmt.Println("== MusicKraken Shell ==")
 	fmt.Println()
 
 	store := musicObjectStore{}
+	var err error = nil
 
 	for {
+		var command string
+
+		if len(commands) <= 0 {
 			fmt.Print("> ")
 
 			reader := bufio.NewReader(os.Stdin)
-		command, err := reader.ReadString('\n')
+			command, err = reader.ReadString('\n')
 			if err != nil {
 				log.Fatal(err)
 			}
+		} else {
+			command = commands[0]
+			commands = commands[1:]
+		}
 
 		store, err = interpretCommand(strings.TrimSpace(command), store)
 		if err != nil {