Index: DamEngine/trunk/src/Deltares.DamEngine.ConsoleRun/Program.cs
===================================================================
diff -u -r1314 -r1323
--- DamEngine/trunk/src/Deltares.DamEngine.ConsoleRun/Program.cs	(.../Program.cs)	(revision 1314)
+++ DamEngine/trunk/src/Deltares.DamEngine.ConsoleRun/Program.cs	(.../Program.cs)	(revision 1323)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using System.IO;
 using CommandLine;
 using Deltares.DamEngine.Interface;
 
@@ -32,15 +33,33 @@
             var commandLineArguments = new CommandOptions();
             ICommandLineParser parser = new CommandLineParser();
             bool success = parser.ParseArguments(args, commandLineArguments);
-            if (success)
+            try
             {
-                string inputXml ="";
-                var damEnginInterface = new EngineInterface(inputXml);
+                if (success)
+                {
+                    string inputXml = File.ReadAllText(commandLineArguments.InputFileName);
+                    var damEnginInterface = new EngineInterface(inputXml);
+                    string validationMessages = damEnginInterface.Validate();
+                    if (string.IsNullOrEmpty(validationMessages))
+                    {
+                        // only if validation is ok, then
+                        string outputXml = damEnginInterface.Run();
+                        File.WriteAllText(commandLineArguments.OutputFileName, outputXml);
+                    }
+                    else
+                    {
+                        File.WriteAllText(commandLineArguments.OutputFileName, validationMessages);
+                    }
+                }
+                else
+                {
+                    Console.WriteLine();
+                    Console.WriteLine(commandLineArguments.GetUsage());
+                }
             }
-            else
+            catch (Exception e)
             {
-                Console.WriteLine();
-                Console.WriteLine(commandLineArguments.GetUsage());
+                Console.WriteLine(String.Format("Exception: {0}", e.Message));
             }
 
         }