Send OSC escape sequences

osc

@@ -0,0 +1,18 @@
+#!/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