Recently updated gems that don't specify a license

gistfile1.rb

require 'gems'
require 'pp'
pp Gems.latest.map {|g| g["name"]}.
               sort.
               map {|n| {n => Gems.versions(n) } }.
               reject {|elem| elem.has_value? "This rubygem could not be found."}.
               map {|elem| {elem.keys.first => elem.values.first.all? {|h| h["licenses"].empty?}}}.
               reject {|h| h.has_value? false}