Multiple Ping

# encoding: utf-8

require 'rubygems'
require 'net/ping'

hosts = ['www.google.com',
         'www.deviantart.com',
         'www.facebook.com',
         'www.twitter.com',
         'www.yahoo.com',
         'www.github.com',
         'www.slashdot.org',
         'www.digg.com']

sock = Net::Ping::TCP.new
sock.port = 80

hosts.sort.each do |h|
  status = 'Unreachable'
  if sock.ping?(h)
    status = "%.1f ms" % (sock.duration * 1000).to_s
  end
  puts "#{h}: #{status}"
end