# place this file in your plugins directory and add the tag to your sidebar
#$ cat source/_includes/asides/categories.html
#
module Jekyll
class CategoryListTag < Liquid::Tag
def render(context)
html = ""
categories = context.registers[:site].categories.keys
categories.sort.each do |category|
posts_in_category = context.registers[:site].categories[category].size
html << "
#{category} (#{posts_in_category})\n"
end
html
end
end
end
Liquid::Template.register_tag('category_list', Jekyll::CategoryListTag)