Simple ruby script to get wikipedia today's featured article

tfac.rb

#!/usr/bin/env ruby

require "nokogiri"
require "open-uri"

wiki_url = "https://en.wikipedia.org/wiki/Main_Page"

doc = Nokogiri::HTML(open(wiki_url))

article = doc.at_css("div#mp-tfa i:first-child a")
title = article.text
url = URI.join(wiki_url, article.attribute('href'))

case ARGV.first
  when "what"
    puts "Today's featured article is: #{title}"
  when "open"
    system("open #{url}")
  else
    puts "Illigal command: #{ARGV.first}"
end