private static List <string> HandleFeedDeletes(string id, TableStorage ts, List <string> current_feed_urls, List <string> existing_feed_urls) { var deleted_feed_urls = existing_feed_urls.Except(current_feed_urls); foreach (string deleted_feed_url in deleted_feed_urls) { var rowkey = TableStorage.MakeSafeRowkeyFromUrl(deleted_feed_url); ts.DeleteEntity("metadata", id, rowkey); } GenUtils.LogMsg("status", "UpdateFeedsForId: find updated and update", null); return(deleted_feed_urls.ToList()); }