Date: Mon, 18 Aug 2008 22:13:54 -0500 From: Jeffrey Goldberg <jeffrey@goldmark.org> To: Paul Schmehl <pauls@utdallas.edu> Cc: FreeBSD Questions <questions@freebsd.org> Subject: Re: How to use dig with an ip list Message-ID: <52CC1A3B-5826-4E06-9325-0E43E5A58E78@goldmark.org> In-Reply-To: <F00086DB609A849EAB40A058@Macintosh.local> References: <F00086DB609A849EAB40A058@Macintosh.local>
next in thread | previous in thread | raw e-mail | index | archive | help
On Aug 18, 2008, at 9:03 PM, Paul Schmehl 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? Easiest: $ for i in `cat ip-list`; do > echo -n "$i " > dig +short -x $i > done Better might be to use something in p5-net-DNS so that you don't make N separate calls to dig. Cheers, -j -- Jeffrey Goldberg http://www.goldmark.org/jeff/
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?52CC1A3B-5826-4E06-9325-0E43E5A58E78>