mkdir

# File lib/shell/command-processor.rb, line 198
    def mkdir(*path)
      @shell.check_point
      notify("mkdir #{path.join(' ')}")

      perm = nil
      if path.last.kind_of?(Integer)
        perm = path.pop
      end
      for dir in path
        d = expand_path(dir)
        if perm
          Dir.mkdir(d, perm)
        else
          Dir.mkdir(d)
        end
        File.chmod(d, 0666 & ~@shell.umask) if @shell.umask
      end
      Void.new(@shell)
    end