private static async Task BackupAsync(IEnumerable <string> args) { if (args.Any() && args.First() == "-h") { DisplayBackupHelp(); } else { var command = new BackupCommand(); var parameters = command.ReadParameters(args); if (parameters.ConfigPath == null) { throw new CosbakException("Switch 'c' not specified, i.e. path to configuration"); } else { var configuration = await LoadBackupConfigurationAsync(parameters.ConfigPath); var metaController = new MetaController(); await metaController.BackupAsync(configuration, parameters.Mode); } } }