--- xmlTools/trunk/posUpdate/ParametersParser.cs	2013/05/08 21:52:38	861
+++ xmlTools/trunk/posUpdate/ParametersParser.cs	2013/05/09 10:37:17	867
@@ -106,7 +106,7 @@ namespace xmlTools
             List<string> filesToProcess = getFilesToProcess(globalFileName);
             foreach (string currentFile in filesToProcess)
             {
-                if (valPositions != null)
+                if (!String.IsNullOrEmpty(valPositions))
                 {
                     myTools.replaceAll(currentFile, value, valPositions);
                 }
@@ -129,7 +129,7 @@ namespace xmlTools
         {
             XmlPatch myPatch;
 
-            if (forceInFiles != "")
+            if (!String.IsNullOrEmpty(forceInFiles))
             {
                 myPatch = new XmlPatch(globalFileName, forceInFiles, globalNoBackups);
             }
@@ -195,7 +195,7 @@ namespace xmlTools
         {
             List<String> filesToProccess = new List<String>();
 
-            if (filename == "") // No filename? Process everything xml file found.
+            if (String.IsNullOrEmpty(filename)) // No filename? Process everything xml file found.
             {
                 List<string> allXmlFiles = Util.getAllXmlFiles();
                 foreach (String file in allXmlFiles)