dyno_poker.rb

require 'open-uri'
require 'active_support/time'

url = ARGV[0] || 'http://www.google.com'
interval_minutes = ARGV[1] || 5

loop do
  puts "#{Time.now} - getting #{url}\n\n"
  begin
    puts open(url).read
  rescue
    puts "failed to read #{url}!!!!"
  end

  puts "\n\nsleeping #{interval_minutes} minutes, until #{Time.now + interval_minutes.minutes}"
  sleep(interval_minutes.minutes)
end