Print out all Gems and their descriptions

gistfile1.txt

require 'prawn'

Prawn::Document.generate("gems.pdf") do
        `bundle list`.split("\n")[1..-1].map{|s| s.gsub("  * ","")}.each do |g|
                puts g
                text "\n\n<b>#{g}</b>", inline_format: true
                text "---------------------------"
                s = `gem specification #{g.split.first}` rescue ""
                description = s.scan( /.*\ndescription: (.*)\nemail.*/m ).last.first rescue nil
                if !description || description.empty?
                        description = s.scan( /.*\nsummary: (.*)\ntest.*/m ).last.first rescue ""
                end
                text description
        end
end