gistfile1.rb

require 'rexml/document'
require 'pp'
require 'open-uri'
require 'date'


MARKTAG = "もきゅ";
user = "kimitoboku035"
doc = REXML::Document.new(open("http://b.hatena.ne.jp/#{user}/atomfeed?date=#{Time.now.strftime("%Y%m%d")}"));
pp "http://b.hatena.ne.jp/#{user}/atomfeed?date=#{Time.now.strftime("%Y%m%d")}"
elem = REXML::XPath.match(doc,'feed/entry');

elem.each_with_index do |e,i|
	flag = false;
	puts("#{i}----------")
	e.each_element('dc:subject') do |tag|
		if(tag.text == MARKTAG) then
			flag = true;
		end
		puts tag.text;
	end

	if(flag==true) then
		e.each_element('title') do |title|
			puts title.text;
		end
	end
end