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