How to use dig with an ip list
RW
fbsd06 at mlists.homeunix.com
Tue Aug 19 03:33:51 UTC 2008
On Mon, 18 Aug 2008 21:03:36 -0500
Paul Schmehl <pauls at utdallas.edu> wrote:
> I know I'm missing the obvious. I want to use an IP list to generate
> an ip+hostname list. IOW, I want to go from this:
>
> x.x.x.x
> y.y.y.y
>
> to this;
>
> x.x.x.x foo.domain.tld
> y.y..y.y bar.domain.tld
>
> What's the best/easiest way to do this?
You could pipe it through:
while read ip;do echo "${ip} `dig +short -x ${ip}`";done
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