if [ -n "$_prompt_command_escape" ]; then
  # Set the title of an xterm to the hostname unless the remote IP is matched by 
  # a regular expression in ~/.ssh/forwarded.
  SSH_FORWARDED=$(get_remote_ip)
  if [ ! -z "$SSH_FORWARDED" ]; then
    if [ "$SSH_FORWARDED" = "localhost" ]; then
      SSH_FORWARDED=
    elif [ -f ${PROFILE_HOME:-~}/.ssh/forwarded ]; then
      for forwarded in $(< ${PROFILE_HOME:-~}/.ssh/forwarded); do
        if echo "$SSH_FORWARDED" | grep "$forwarded" &>/dev/null; then
          SSH_FORWARDED=
        fi
      done
      unset forwarded
    fi
    [ ! -z "$SSH_FORWARDED" ] && SSH_FORWARDED=" (from $(get_remote_ip -n))"
  fi

  # Unscientific check for grid jobs.
  case ${SSH_CLIENT##* } in
    ""|22|2222);;
    *) SSH_FORWARDED="$SSH_FORWARDED [grid]"
  esac

  info="$HOSTNAME$SSH_FORWARDED"

  # Check for vim.
  vimchild=" [vim]"
  if ps -o comm= -p $PPID 2>/dev/null | grep '^vim*$' &>/dev/null; then
    # Clear [vim] when exiting.
    trap "echo -ne '\\033]0;$info\\033\\0134'" exit
    info="$info$vimchild"
  fi
  if [ "${TERM##screen}" = "$TERM" -o "${TERM%%-bce}" = "$TERM" ]; then
    echo -ne '\033]0;'"$info"'\033\0134\r\033[K'
  else
    echo -ne "\033k\033\0134"
  fi
  unset blank info vimchild SSH_FORWARDED
fi