#!/bin/bash
# FILE:       	wagon:back/lib/ns/update/rev_ipv6
# DESCRIPTION:	Returns the rDNS reversed version of an IPv6 address
# USAGE:      	rev_ipv6 ...
# OUTPUT:     	...ip6.arpa
# ERRORS: 
# 	3: Bad usage
# 	4: Calculation failed

# TODO: Do this in bash or whatever and remove the ipv6calc from dependencies
[ ${#} -eq 1 ] || exit 3
ipv6calc --out 'revnibbles.arpa' --in 'ipv6addr' "${1}" || exit 4