kickstarter logger, backers/pledged

gistfile1.rb

$KCODE = "UTF8"

require 'rubygems'
require 'nokogiri'
require 'open-uri'

#ターゲットのURLと、ファイル名
target_url = "http://www.kickstarter.com/projects/rowdyrobot/tod-connect-real-world-actions-to-mobile-devices-a"
target_file ="tod.csv"
interval = 3600

loop do
	#スクレイピング
	page = open(target_url)
	html = Nokogiri::HTML(page.read, nil, 'UTF-8')
	node = html.xpath('//div[attribute::class="num"]/text()')

	#CSV1行テキストを作る
	s = Time.now.strftime("%Y-%m-%d %H:%M:%S")
	s<<","
	node.each_with_index do |a, i|
		s << a
		s << ","
	end
	s <<"¥n"

	#ファイル書き出し
	f = File::open(target_file, "a")
	f.write(s)
	f.close

	#puts s

	#次まで待ち
	sleep interval
end