private static int Execute(CommandArgs commandArgs, IOutput output) { Logger.Log.Info("Enter Download List command."); output.WriteLine("Listing..."); string name = commandArgs.GetParameter <string>(PodcastName); Logger.Log.Info($"Input podcast name is {name}."); int res = Opml.ListPodcastAllRelease(name, ref output); if (res == 0) { Logger.Log.Warn("Finish listing."); output.WriteLine("Done."); } else { Logger.Log.Warn("The input name is NOT in the library."); } return(0); }