# File lib/archive/tar/minitar/command.rb, line 630
630:     def modestr(mode)
631:       s = "---"
632:       s[0] = ?r if (mode & 4) == 4
633:       s[1] = ?w if (mode & 2) == 2
634:       s[2] = ?x if (mode & 1) == 1
635:       s
636:     end