irb = RUBY_PLATFORM =~ /(:?mswin|mingw)/ ? 'irb.bat' : 'irb'
libs =  " -r irb/completion"
libs << " -r test/test_helper"
libs << " -r test/console_with_fixtures"
libs << " -r console_app"
libs << " -r console_with_helpers"
exec "#{irb} #{libs} --simple-prompt"