gistfile1.rb

require "net/https"
require "uri"

urls = ["http://pastebin.com/raw.php?i=Kc9ng18h",
        "http://pastebin.com/raw.php?i=vCMndK2L",
        "http://pastebin.com/raw.php?i=JdQkuYwG",
        "http://pastebin.com/raw.php?i=fw43srjY"]

def get(url)
  parsed = URI.parse(url)
  https = Net::HTTP.new(parsed.host, parsed.port)
  https.use_ssl = parsed.scheme == "https"
  https.start { |w| w.get(url).body }
end

lines = Hash.new
urls.each do |url|
  get(url).split(/\r\n/).each do |line|
    pair = line.split(/:/)
    lines.store(pair[0], pair[1])
  end
end
p lines[ARGV[0]]