gistfile1.rb

toto = Toto::Server.new do

  # ...

  set :to_html, lambda {|path, page, ctx, blk|
    Dir.glob("#{path}/#{page}.*").each do |filename|
      return ::Tilt.new(filename).render(ctx, &blk)
    end
    raise Errno::ENOENT # Tell toto to 404 if no files can be found
  }

end