Worker for pulling tasks off a redis queue

worker.rb

redis = Redis.new(:host => redis_host, :port => redis_port)  
while(1) do  
  url = redis.blpop(work_queue, 0)[1]  
  is_up = server_check.check(url)[0]  
  if is_up  
    puts "#{url} is up."  
   else  
    puts "#{url} is down."  
  end  
end