require 'rubygems/command' class Gem::Commands::StaleCommand < Gem::Command def initialize super('stale', 'List gems along with access times') end def usage # :nodoc: "#{program_name}" end def execute gem_to_atime = {} Gem::Specification.each do |spec| name = spec.full_name Dir["#{spec.full_gem_path}/**/*.*"].each do |file| next if File.directory?(file) stat = File.stat(file) gem_to_atime[name] ||= stat.atime gem_to_atime[name] = stat.atime if gem_to_atime[name] < stat.atime end end gem_to_atime.sort_by { |_, atime| atime }.each do |name, atime| say "#{name} at #{atime.strftime '%c'}" end end end