Search Craigslist SF/Peninsula every 10 seconds for something with `craigslist bmx bike`. `ENV['OPENCL'] = true` opens new urls. defaults to 'table'.

gistfile1.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'httparty'
require 'nokogiri'
require 'colorize'
require 'uri'

query = (ARGV.count > 0 && ARGV.join(' ').dup) || "table"
encoded_query = URI.encode query
puts ["searching for:".cyan, query.colorize(:red).colorize(background: :white)].join(" ")
urls = {}; loop do
  out  = HTTParty.get "http://sfbay.craigslist.org/search/sss/pen?zoomToPosting=&query=#{encoded_query}&srchType=A&minAsk=&maxAsk="
  enumerator = Nokogiri.parse(out).css('span.pl a')
  puts "no links!!!!!".red if enumerator.empty?
  enumerator.each do |link|
    if urls.has_key?(link['href'])
      print '.'.green
    else
      url = "http://sfbay.craigslist.com#{link['href']}"
      `open #{url}` if ENV['OPENCL']
      puts link.text.yellow, "\t#{url}".cyan
      urls[link['href']] = true
    end
  end
  sleep 10
end