@echo off
rem buld timestamp
rem setlocal enableextensions

set TimeStamp=TimeStamp_%date:~-4%%date:~3,2%%date:~0,2%%time:~0,2%%time:~3,2%%time:~6,2%%time:~9,2%

rem remove spaces (better for filenames ...)
SET TimeStamp=%TimeStamp: =0%
echo %TimeStamp%