or even use caller to print a full backtrace: https://news.ycombinator.com/item?id=44636927

That's neat, but if your bash script needs a backtrace it should not be a bash script. To each their own though.

	▲	williamdclt 3 days ago \| parent [-]
		My bash scripts don't "need" a backtrace, but it sure is nicer than not having one