info_files (Debugger)

    # File cli/ruby-debug/commands/info.rb, line 235
        def info_files(*args)
          files = LineCache::cached_files
          files += SCRIPT_LINES__.keys unless 'stat' == args[0]
          files.uniq.sort.each do |file|
            stat = LineCache::stat(file)
            path = LineCache::path(file)
            print "File %s", file
            if path and path != file
              print " - %s\n", path
            else
              print "\n"
            end
            print "\t%s\n", stat.mtime if stat
          end
        end