# scrapehtml.rb HTML by miztea 2014

require 'open-uri'
require 'nokogiri'

if ARGV[0] == nil then
	puts "usage: $ ruby scrapehtml.rb [target HTML filename or URL]"
	exit
end

html = open(ARGV[0]) do |data|
	data.read
end

doc = Nokogiri::HTML.parse(html)

doc.css('a').each do |anchor|
	puts anchor[:href]
end