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: echo   update    -- update the local list of available GDAL packages with the
  echo                current list in the svn repos, then do the "get" action
  echo   clean     -- remove all unpacked files
  echo   help      -- display this message (default)
  
  goto :eof
  
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" (
  