diff --git a/MarketDataLib/Utility/Utility.cs b/MarketDataLib/Utility/Utility.cs
index 171f3cb..62a5fc8 100644
--- a/MarketDataLib/Utility/Utility.cs
+++ b/MarketDataLib/Utility/Utility.cs
@@ -94,6 +94,27 @@ namespace MarketData.Utils
 				catch(Exception){;}
 			}
 		}
+
+		public static void RemoveLogFilesExcept(String exceptFile,String strFolder=null)
+		{
+		  if(null==strFolder)strFolder=Directory.GetCurrentDirectory();
+			String[] logFiles=Directory.GetFiles(strFolder,"*.log");
+			if(null==logFiles || 0==logFiles.Length)return;
+			logFiles=logFiles
+      .Where(x => x.EndsWith(".log",StringComparison.InvariantCultureIgnoreCase) && 
+      !x.EndsWith(exceptFile,StringComparison.InvariantCultureIgnoreCase)).ToArray<String>();
+  		if(null==logFiles || 0==logFiles.Length)return;
+			foreach(String logFile in logFiles)
+			{
+			  try
+				{
+				  MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Removing {0}",logFile));
+				  File.Delete(logFile);
+				}
+				catch(Exception){;}
+			}
+		}
+
     public static String Pad(string str, char filler, int length)
     {
       int stringLength = str.Length;