Jekyll plugin: pretty URL (remove last index.html)

pretty.rb

# Pretty URL (remove last index.html)
# usage: {{ post.url | pretty }}

module Jekyll
    module Pretty
        def pretty(url)
            if url[-10..-1] == "index.html"
                url = url[0..-11]
            end

            return url
        end
    end
end

Liquid::Template.register_filter(Jekyll::Pretty)