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Strips the non-ip information from the dig output. Could be combined with "head -1" to ensure a single ip is returned. Useful for outputting as a variable for use in scripts.
There are 6 alternatives - vote for the best!
I use this in a script on my openwrt router to check if my DynDNS needs to be updated, saves your account from being banned for blank updates.
If you can do better, submit your command here.
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