private object Rackup()
{
Ruby.Engine.Require("rubygems");
Ruby.Engine.Require("rack");
var fullPath = Ruby.Engine.FindFile("config.ru");
if (fullPath != null)
{
var content = File.ReadAllText(fullPath, Encoding.UTF8);
return Ruby.Engine.Execute("Rack::Builder.new { " + content + "}.to_app");
}
return null;
}