# File lib/snmp/mib.rb, line 113
      def list_imported(regex=//, mib_dir=DEFAULT_MIB_PATH)
        list = []
        Dir["#{mib_dir}/*.#{MODULE_EXT}"].each do |name|
          module_name = File.basename(name, ".*")
          list << module_name if module_name =~ regex
        end
        list
      end