# File lib/rfilter/keyed_mailbox.rb, line 67 def expire(age) cutoff = Time.now - (60 * 60 * 24) * age [ File.join(@path, 'new', '*'), File.join(@path, 'cur', '*'), File.join(@path, '.index', '*')].each { |glob| Dir[glob].each { |file| File::delete(file) if File::mtime(file) <= cutoff } } end