anchor.diff:  if "%~1" == "get"       set Action=get
   if "%~1" == "update"    set Action=update
   if "%~1" == "clean"     set Action=clean
  +if "%~1" == "distclean" set Action=distclean
   if "%~1" == "help"      set Action=help
   if "%~1" == ""          set Action=help
   
  
positive.code:   call :usage
    goto :exitScript
  )
  rem  Action == get or update
  
  rem  Read GDAL version #
  for /f %%v in (%GdalAdmin_VersionFile%) do set GdalVersion=%%v
  
negative.code: 
  rem  ------------------------------------------------------------------------
  
  :distclean
  
  call :clean
  
  rem  Delete downloaded files and the directory where they were put
  
  call :deleteFile %PackageList%
  call :deleteFile %PackagePath%
  call :deleteDir  %GdalAdmin_InstallDir%
  
  goto :eof
  
  rem  ------------------------------------------------------------------------
  
  :deleteFile
  
  if exist "%~1" (
  