jekyll-create-tag-cloud-rakefile.rb

puts 'Generating tag cloud...'
require 'rubygems'
require 'jekyll'
include Jekyll::Filters

options = Jekyll.configuration({})
site = Jekyll::Site.new(options)
site.read_posts('')

html =<<-HTML
---
layout: default
title: Tag cloud
---

<h1>Tag cloud</h1>

    HTML

    site.categories.sort.each do |category, posts|
      html << <<-HTML
      HTML
      
      s = posts.count
      font_size = 12 + (s*1.5);
      html << "<a href=\"/tags/#{category}.html\" title=\"Postings tagged #{category}\" style=\"font-size: #{font_size}px; line-height:#{font_size}px\">#{category}</a> "
    end

    File.open('tags.html', 'w+') do |file|
      file.puts html
    end

    puts 'Done.'
  end