Examples of how to build all Nuget nuspec files in a folder

package.bat

@ECHO OFF
SETLOCAL
SET VERSION=%1
SET NUGET=buildsupport\nuget.exe

FOR %%G IN (packaging\nuget\*.nuspec) DO (
  %NUGET% pack %%G -Version %VERSION% -Symbols -o artifacts
)

package.rb

# A rake task to build all packages in a folder

  desc "Build the nuget packages"
  task :package do
    rm Dir.glob("#{ARTIFACTS}/*.nupkg")
    FileList["packaging/nuget/*.nuspec"].each do |spec|
      sh "#{nuget} pack #{spec} -o #{ARTIFACTS} -Version #{BUILD_NUMBER} -Symbols"
    end
  end

I really enjoyed your article on Los Techies! I know powershell isn't what the cool kids are using but feel free to grab the new file I added in my fork. I might add a scriptcs version as well and will let you know if I do.