diff --git a/EgtGeneral.rc b/EgtGeneral.rc
index 0f87376..8a6bbef 100644
Binary files a/EgtGeneral.rc and b/EgtGeneral.rc differ
diff --git a/EgtGeneral.vcxproj b/EgtGeneral.vcxproj
index 3b31c03..f5164f1 100644
--- a/EgtGeneral.vcxproj
+++ b/EgtGeneral.vcxproj
@@ -185,6 +185,7 @@ copy $(TargetPath) \EgtProg\Dll64</Command>
     <ClInclude Include="..\Include\EGnScan.h" />
     <ClInclude Include="..\Include\EGnStringBase.h" />
     <ClInclude Include="..\Include\EGnStringConverter.h" />
+    <ClInclude Include="..\Include\EGnStringDecoder.h" />
     <ClInclude Include="..\Include\EGnStringUtils.h" />
     <ClInclude Include="..\Include\EgtTrace.h" />
     <ClInclude Include="CmdParser.h" />
diff --git a/EgtGeneral.vcxproj.filters b/EgtGeneral.vcxproj.filters
index a3bc3ae..5d38cef 100644
--- a/EgtGeneral.vcxproj.filters
+++ b/EgtGeneral.vcxproj.filters
@@ -60,6 +60,9 @@
     <ClInclude Include="DllMain.h">
       <Filter>File di intestazione</Filter>
     </ClInclude>
+    <ClInclude Include="..\Include\EGnStringDecoder.h">
+      <Filter>File di intestazione</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="stdafx.cpp">
diff --git a/FileUtils.cpp b/FileUtils.cpp
index 712ea33..0cb7b45 100644
--- a/FileUtils.cpp
+++ b/FileUtils.cpp
@@ -14,11 +14,32 @@
 //--------------------------- Include ----------------------------------------
 #include "stdafx.h"
 #include "\EgtDev\Include\EgnFileUtils.h"
+#include "\EgtDev\Include\EgnStringUtils.h"
 #include "\EgtDev\Include\EgnStringConverter.h"
 #include <io.h>
 
 using namespace std ;
 
+
+//----------------------------------------------------------------------------
+bool
+ExistsFile( const string& sFile)
+{
+  // leggo gli attributi del file
+   DWORD dwAttr = ::GetFileAttributesW( stringtoW( sFile)) ;
+   
+  // se non esiste
+   if ( dwAttr == INVALID_FILE_ATTRIBUTES  ||
+        dwAttr == INVALID_FILE_SIZE)
+      return false ;
+
+  // se è un direttorio
+   if ( dwAttr & FILE_ATTRIBUTE_DIRECTORY)
+      return false ;
+
+   return true ;
+}
+
 //-----------------------------------------------------------------------------
 bool
 EraseFile( const string& sFile)
@@ -26,6 +47,19 @@ EraseFile( const string& sFile)
    return ( ::DeleteFileW( stringtoW( sFile)) != 0) ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+FileExtensionMatches( const string& sFile, const string& sExt)
+{
+   string sFileTitle ;
+   string sFileExt ;
+   SplitLast( sFile, ".", sFileTitle, sFileExt) ;
+   ToUpper( sFileExt) ;
+   string sExtUp = sExt ;
+   ToUpper( sExtUp) ;
+   return ( sFileExt == sExtUp) ;
+}
+
 //-----------------------------------------------------------------------------
 bool
 EmptyDirectory( const string& sDir)