#!/usr/bin/env ksh
(( $# < 1 )) && exit 64
[[ -v X_OSC_DISABLE || ! -t 1 ]] && exit 0
case $1 in
    link)
	[[ -z $2 ]] && exit 64
	printf "\e]8;%s\e\\" "$2"
	;;
    pwd)
	(( $# != 1 )) && exit 64
	printf "\e]7;file://%s%s\e\\" "$HOSTNAME" "$PWD"
	;;
    title)
	(( $# == 1 )) && exit 64
	shift;
	printf '\e]2;%s\e\\' "$*"
	;;
esac