Date: Thu, 21 Aug 2008 23:16:55 +0930 From: Wayne Sierke <ws@au.dyndns.ws> To: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> Cc: Steve Bertrand <steve@ibctech.ca>, freebsd-questions@freebsd.org Subject: Re: sed/awk, instead of Perl Message-ID: <1219326415.49053.89.camel@predator-ii.buffyverse> In-Reply-To: <20080821151239.J7822@wojtek.tensor.gdynia.pl> References: <48AD63B7.8090107@ibctech.ca> <48AD6502.1040407@ibctech.ca> <20080821151239.J7822@wojtek.tensor.gdynia.pl>
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On Thu, 2008-08-21 at 15:12 +0200, Wojciech Puchar wrote:
> >
> > cat tcpdump.txt | awk '{if ($3 != "192.168.100.204.25") print $3}' | \
> > awk '{FS = "."} {print $1,".",$2,".",$3,"."$4}' | sed s/" "//g
>
>
> why you all abuse "cat" command. simply awk .... <tcpdump.txt
Why do you abuse redundant input redirection? Simply:
awk ... tcpdump.txt
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