tumblr_tag_use.rb

require "rubygems"
require "nokogiri"
require "open-uri"

$hash = {}

def load_from_api(num)
  # replace 'blog.tommorris.org' with your tumblr blog URL.
  data = Nokogiri::XML(open("http://blog.tommorris.org/api/read?num=50&start=#{num}"))
  tags = data.xpath("//tag").map {|i| i.text }
  # this initializes the hash key to zero if it isn't already set, then increments
  tags.each {|i| $hash[i] ||= 0; $hash[i] += 1 }
end

# replace '108' with the number of posts you have made divided by 50 - rounded up.
# your total # of posts is on your dashboard
(0..108).to_a.each {|n|
  load_from_api(n * 50)
}

fh = File.open(File.expand_path("~/tags.txt"), "w")

# reverse sort by value
$hash = $hash.sort {|x,y| y[1] <=> x[0] }

$hash.each do |line|
  fh.write("#{line[0]} -- #{line[1].to_s}\n")
end
fh.close