Claymore.TalkCleanupWikiBot.DeletionReview.LoadPageFromCache C# (CSharp) Method

        private static string LoadPageFromCache(string fileName,
            string revisionId,
            string pageName)
        {
            if (File.Exists(fileName))
            {
                using (FileStream fs = new FileStream(fileName, FileMode.Open))
                using (GZipStream gs = new GZipStream(fs, CompressionMode.Decompress))
                using (TextReader sr = new StreamReader(gs))
                {
                    string revid = sr.ReadLine();
                    if (revid == revisionId)
                    {
                        Console.Out.WriteLine("Loading " + pageName + "...");
                        return sr.ReadToEnd();
                    }
                }
            }
            return null;
        }