fix(XMLDiff): update log file deletion behavior to respect appendToLog option. Fixes #8

Author: chemodun

XMLDiff/Program.cs

@@ -167,7 +167,7 @@ private static void ConfigureLogging(bool logToFile, bool appendToLog = false)
           FileName = Path.Combine(Environment.CurrentDirectory, "${processname}.log"),
           Layout = "${longdate} ${level} ${message} ${exception}",
           KeepFileOpen = true,
-          DeleteOldFileOnStartup = true, // Overwrite the log file on each run
+          DeleteOldFileOnStartup = !appendToLog, // Overwrite the log file on each run
           ArchiveAboveSize = 0,
           ConcurrentWrites = true,
         };