Scrape the beer list from your favorite bar in Baltimore. Built at OSHN April 23, 2013

beers.rb

#!/usr/bin/env ruby
# encoding: UTF-8

require 'rubygems'
require 'mechanize'
require 'optparse'

OptionParser.new do |opts|
  opts.banner = "Usage: #{__FILE__} [options]\nGet a beer list from your favorite bar."
  opts.on("-s", "--site SITE", "Where are you?") do |s|
    $site = s
  end
end.parse!

exit 2 unless $site

def scrub(s)
  s = s.strip.gsub(/\s+/, ' ')
  s.size > 0 ? s : nil
end

def maxs(a)
  page = a.get('http://www.maxs.com/')
  nodes = page / '#sidebar .p7TPcontent li'
  nodes.map { |node| scrub(node.content) }.compact
end

def mahaffeys(a)
  page = a.get('http://www.mahaffeyspub.com/beer/beers_in_stock.php')
  lines = (page / 'body').to_s
  lines.split("\n").map do |line|
    m = line.match(/\((?:C|D)\)\s*(.+)/)
    m && scrub(m[1].chomp)
  end.compact
end

def hudson_st(a)
  page = a.get('http://www.hudsonstreetstackhouse.com/food-drink-menus/daily-drafts.html')
  nodes = page / '#maincol p strong'
  nodes.map { |node| scrub(node.content) }.compact.uniq
end

a = Mechanize.new { |agent|
  agent.user_agent_alias = 'Mac Safari'
}
beers = send($site.to_sym, a)
puts beers.join("\n")

Why isn't this a hypermedia api?