Vital Ruby Advanced Lab 1

url_fetcher.rb

#!/usr/bin/env ruby

require 'open-uri'

class UrlFetcher
  def self.fetch(url)
    returnval = nil
    begin
      open(url) {|stream| returnval = stream.read}
    rescue
    end
    returnval
  end
end

if __FILE__ == $0
  body = UrlFetcher.fetch(ARGV.first)
  if body
    puts body
  else
    puts "Error opening #{ARGV.first}"
  end
end