Sinatra Local Server for ruby script testing

gistfile1.rb

# http://localhost:4567/

require 'rubygems'

require 'sinatra'

get("/*.rb") do
	`ruby #{request.path_info.slice(1..-1)}`
end

get("/*.*") do
	status 200
	content_type 'text/html'
	body File.open(request.path_info.to_s.sub(/\//, ''))
end

get("*") do
	request_path = request.path_info.to_s
	dir_items = Dir.entries(Dir.pwd.dup.to_s + request_path)
	list_items = dir_items.map do |fd|
		if fd.to_s == '.'
		elsif fd.to_s == '..'
			if request_path.length > 1
				charat = request_path.rindex('/')
				charat == 0 ? request_path_parent = '/' : request_path_parent = request_path.slice(0, charat)
				"<a href='#{request_path_parent}'>&lt;..PARENT..&gt;</a><br />"
			end
		else
			request_path.length <= 1 ? generated_path = "#{fd}" : generated_path = "#{request_path}/#{fd}"
			"<a href='#{generated_path}'>#{fd}</a>"
		end
	end	
	p list_items.join("<br />")
end