Get a random timezone

rand_tz.sh

#!usr/bin/env bash

rand_tz() {
	list=`find /usr/share/zoneinfo/ -regex "[a-zA-Z0-9/-]+" -type f`
	randf=`shuf -n1 -e $list`
	prefix=/usr/share/zoneinfo/
	echo ${randf#$prefix}
}