class Net::SFTP::Protocol::V04::Name

def longname
  @longname ||= begin
    longname = if directory?
      "d"
    elsif symlink?
      "l"
    else
      "-"
    end
    longname << (attributes.permissions & 0400 != 0 ? "r" : "-")
    longname << (attributes.permissions & 0200 != 0 ? "w" : "-")
    longname << (attributes.permissions & 0100 != 0 ? "x" : "-")
    longname << (attributes.permissions & 0040 != 0 ? "r" : "-")
    longname << (attributes.permissions & 0020 != 0 ? "w" : "-")
    longname << (attributes.permissions & 0010 != 0 ? "x" : "-")
    longname << (attributes.permissions & 0004 != 0 ? "r" : "-")
    longname << (attributes.permissions & 0002 != 0 ? "w" : "-")
    longname << (attributes.permissions & 0001 != 0 ? "x" : "-")
    longname << (" %-8s %-8s %8d " % [attributes.owner, attributes.group, attributes.size])
    longname << Time.at(attributes.mtime).strftime("%b %e %H:%M ")
    longname << name
  end
end