Scraping query string data

#!/usr/bin/env ruby

####################################
# How to get and parse query string
# data in Ruby
####################################
require 'rubygems'
require 'open-uri'
require 'cgi'

url = 'http://example.com/data.php'

# Open and read the content
content = open(url).read

# Parse the data
# Data will be parsed into a hash, value of each element will be an array
params = CGI.parse(content)

# Print out the key and value for each parameter
params.keys.each {|k| puts k.to_s+" => "+params[k].to_s}