Unexepcted behavior from read and cat
Jonathan McKeown
jonathan+freebsd-questions at hst.org.za
Tue May 13 21:15:18 UTC 2008
[respecting Time's arrow]
On Tuesday 13 May 2008 20:55, Johan Dowdy wrote:
>
> On 5/12/08 1:55 PM, "RW" <fbsd06 at mlists.homeunix.com> wrote:
> >
> > cat iplist | xargs -n1 dig +short -x
>
> I think this one wins for brevity.
It can be made shorter:
<iplist xargs -n1 dig +short -x
but it fires off multiple dig processes.
Compare
lam -s-x\ iplist|xargs dig +short
which, even with a certain amount of cheating, is still 3 characters longer
but only invokes dig once.
Jonathan
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