Get all your dang tumblr posts

tumblr-archive.rb

require 'json'
require 'open-uri'

hostname = 'irc'
posts = []
page = 1
pages = 1
per_page = 20

begin
  result = JSON.load open("http://#{ hostname }.tumblr.com/api/read/json?debug=1&count=#{ per_page }&start=#{ page * per_page }").read
  pages = [1, (result['posts-total'].to_f / per_page).ceil.to_i].max if page == 1
  posts += result['posts']
  page += 1
end while page < pages 

posts = posts.compact.uniq

puts "fetched #{ posts.size } post#{ 's' if posts.size != 1 } from #{ hostname }"