homework in 8 minutes

homework

require 'rubygems'
require 'hpricot'
require 'open-uri'

# First find the rss

url = ARGV[1] || "http://twitter.com/burnto"
doc = Hpricot(open(url))
rss_url = doc.search("link[@type=\"application/rss+xml\"]").first.attributes["href"]

doc = Hpricot(open(rss_url))
counts = {}
doc.search("item/pubdate").each{|d|
  t = Time.parse(d.inner_html)
  date = [t.year, t.month, t.day].join("/")
  counts.has_key?(date) ? counts[date] += 1 : counts[date] = 1
}

counts.keys.sort.each do |date|
  print date
  counts[date].times do print "=" end
  print "\n"
end

# 2009/6/15===
# 2009/6/16=======
# 2009/6/17======
# 2009/6/18===
# 2009/6/19=