anchor.diff:  
   :usage
   echo.
  -echo  "Usage: %0 [/? | /h | /help | -h | -help | --help] [tools_path]"
  +echo  "Usage: %0 [/? | /h | /help | -h | -help | --help] [Reconfig] [tools_path]"
   echo.
   echo                      tools_path       Tools' path. EDK_TOOLS_PATH will be set to this path.
   echo.
  
positive.code: if /I "%1"=="/?" goto usage
  if /I "%1"=="/help" goto usage
  
  if NOT "%1"=="" set EDK_TOOLS_PATH=%1
  
  REM
  REM Check the required system environment variables
  
negative.code: if not defined EDK_TOOLS_PATH goto no_tools_path
  if exist %EDK_TOOLS_PATH% goto set_path
  echo.
  echo !!!WARNING!!! %EDK_TOOLS_PATH% doesn't exist. %WORKSPACE%\BaseTools will be used !!!
  echo.
  
  :no_tools_path
  