In article <mailman.1128.1414072988.26362.bind-us...@lists.isc.org>, Bob Harold <rharo...@umich.edu> wrote:
> Anytime you see 'grep' and 'cut' used together, they can usually be > shortened to just 'awk', which requires starting one less process. And if > this case it splits fields the way a users sees them, so the same code > works in both cases: > > $ dig +noall +answer home.kreme.com in a | awk '/[\t ]A[\t ]/ {print $NF}' > 23.24.150.141 > $ dig +noall +answer dave.knig.ht in a | awk '/[\t ]A[\t ]/ {print $NF}' > 216.235.14.46 $ dig +noall +answer cancer.ucs.ed.ac.uk | perl -ne ' /\sA\s/ && do { @_=split; print "$_[$#_]\n" }' 129.215.166.13 129.215.200.7 Sam -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users