#!/usr/bin/ruby

require 'uri'


# Fix for broken URI.parse (doesn't allow '_' in subdomains)
module URI
	class << self
		alias origsplit split
		def split(uri)
			return origsplit(uri) unless uri.gsub!(/^([^:]+:\/\/[^\/]+)_/,'\1UNDERLINEuriSplitISbrokenUNDERLINE')
			fix = origsplit(uri)
			fix[2].gsub!(/UNDERLINEuriSplitISbrokenUNDERLINE/,'_')
			fix
		end
	end
end

puts URI.parse("http://whatever.domain.com")
puts URI.parse("http://whatever_again.domain.com")