Date: Tue, 19 Aug 2008 04:17:28 +0100 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: How to use dig with an ip list Message-ID: <20080819041728.0c3b7420@gumby.homeunix.com.> In-Reply-To: <F00086DB609A849EAB40A058@Macintosh.local> References: <F00086DB609A849EAB40A058@Macintosh.local>
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On Mon, 18 Aug 2008 21:03:36 -0500
Paul Schmehl <pauls@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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