#!/bin/sh
# curtab - print the currently selected Firefox tab

lz4jsoncat ~/.mozilla/firefox/*.default/sessionstore-backups/recovery.jsonlz4 |
	LANG=C sed 's/\\ud[89abcdef][0-9a-f][0-9a-f]/\\ufffd/g' | # invalid surrogates
	jq -r '.windows[.selectedWindow-1] |
		.tabs[.selected-1] |
		.entries[.index-1].url'