text: if "x%~3"=="x" goto :EOF
  if not "x%~4"=="x" set %~4=
  
  call WB_LOG "[%WB_PROJECT%] --- MOUNT [%~1:%2] -%%gt:%% [%~3]"
  
  rem remove uncompleted mounted folder first.
  if "x%USE_WIMLIB%"=="x1" (
      if exist "%~3" rd /s /q "%~3"
  )
  
  set chk_file=
  if exist "%~3" (
      for /f "delims=" %%i in ('dir /b "%~3"') do (
          set "chk_file=%%i"
      )
  ) else (
      set chk_file=skip
  )
  
  rem remove empty mounted folder
  if "x%chk_file%"=="x" (
      rd /s /q "%~3"
  )
  set chk_file=
  
  if not exist "%~3" mkdir "%~3"
  
  if "x%USE_WIMLIB%"=="x1" (
      wimlib-imagex.exe extract "%~1" %2 --dest-dir="%~3" --no-acls --nullglob
  ) else (
      call DismX /mount-wim /wimfile:"%~1" /index:%2 /mountdir:"%~3"
  )
  if "x%~4"=="x" goto :EOF
  if "%errorlevel%"=="0" set %~4=1
  