anchor.diff:  if /i "%~1" == "-h" goto usage
   if /i "%~1" == "-?" goto usage
   if /i "%~1" == "--help" goto usage
  +
  +if /i "%~1" == "-d" (
  +    set "dirs=%~2"
  +    shift
  +)
  +
  +if /i "%~1" == "--dirs" (
  +    set "dirs=%~2"
  +    shift
  +)
   
   if /i "%~1" == "-v" (
       set "version=%~2"
  
positive.code: :: Create the packages
  set "src=%~dp0src"
  cd "%src%"
  for /d %%d in (*) do (
      cd "%%d"
      del /q *.nupkg > nul 2>&1
      "%nuget%" pack %%d.nuspec -Prop Version=%version%
  
negative.code: @echo off
  setlocal
  
  set "dirs=*"
  
  :: Parse arguments
  :arg_loop
  