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  The binary package for the platform
  set PackageName=gdal-%GdalVersion:.=-%-csharp-%Platform%.zip
  set PackagePath=%GdalAdmin_InstallDir%\%PackageName%
  
  if "%Action%" == "distclean" (
    call :distclean
    goto :exitScript
  )
  
  rem  Action == get or update
  
  rem  Fetch the list of available packages
  if not exist %PackageList% set GetPackageList=yes
  