Using open-uri to fetch URLs with error-handling.

search.rb

require 'multi_json'
require 'open-uri/cached'
def search(url, result)
  OpenURI::Cache.cache_path = 'tmp/open-uri'
  uri=URI.parse(url)
  status=uri.open.meta[:status]
  if status[0] == "200"
    result=MultiJson.load(uri.open.read)
  else
    puts "HTTP Status #{status[0]} #{status[1]}"
    result=[]
  end
  return result
end