diff --git a/EgtExecutor.rc b/EgtExecutor.rc
index 9e204f5..476083a 100644
Binary files a/EgtExecutor.rc and b/EgtExecutor.rc differ
diff --git a/LUA_General.cpp b/LUA_General.cpp
index 846b043..bc85101 100644
--- a/LUA_General.cpp
+++ b/LUA_General.cpp
@@ -590,6 +590,27 @@ LuaEraseFile( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaCompareFilesLastWriteTime( lua_State* L)
+{
+  // 2 parametri : file1, file2
+   string sFile1 ;
+   LuaCheckParam( L, 1, sFile1)
+   string sFile2 ;
+   LuaCheckParam( L, 2, sFile2)
+   LuaClearStack( L) ;
+  // confronto la data di ultima scrittura dei due file
+   int nRes ;
+   bool bOk = CompareFilesLastWriteTime( sFile1, sFile2, nRes) ;
+  // restituisco il risultato
+   if ( bOk)
+      LuaSetParam( L, nRes) ;
+   else
+      LuaSetParam( L) ;
+   return 1 ;
+}
+
 //-------------------------------------------------------------------------------
 static int
 LuaExistsDirectory( lua_State* L)
@@ -982,6 +1003,7 @@ LuaInstallGeneral( LuaMgr& luaMgr)
    bOk = bOk && luaMgr.RegisterFunction( "EgtCopyFile", LuaCopyFile) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtRenameFile", LuaRenameFile) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtEraseFile", LuaEraseFile) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtCompareFilesLastWriteTime", LuaCompareFilesLastWriteTime) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtExistsDirectory", LuaExistsDirectory) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtCreateDirectory", LuaCreateDirectory) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtEmptyDirectory", LuaEmptyDirectory) ;