10 lines
382 B
Plaintext
10 lines
382 B
Plaintext
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#!/bin/bash
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# FILE: wgapi:back/lib/ns/update/rev_ipv6
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# DESCRIPTION: Returns the rDNS reversed version of an IPv6 address
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# USAGE: rev_ipv6 ...
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# OUTPUT: ...ip6.arpa
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# SOURCES: https://stackoverflow.com/a/53674992/
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[ "$#" == "1" ] || exit
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printf "${1}" | sed 's/://g;s/^.*$/\n&\n/;tx;:x;s/\(\n.\)\(.*\)\(.\n\)/\3\2\1/;tx;s/\n//g;s/\(.\)/\1./g;s/$/ip6.arpa/'
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