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Date: Sat, 23 Aug 2008 11:07:59 -0400
From: Chuck Robey <chuckr@telenix.org>
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To: DAve <dave.list@pixelhammer.com>
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Cc: 'User Questions' <freebsd-questions@freebsd.org>
Subject: Re: Tailing logs
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DAve wrote:
> DAve wrote:
>> I would love to have a way to tail a log, like piping to grep, except 
>> I see every line and the lines I would normally grep for are 
>> highlighted. That would be cool. Anyone know of a bash command or 
>> tool that will do this?
>>
>> Side note, I am tailing sendmail after changes to my outbound queue 
>> runners. I want to highlight my sm-mta-out lines but still see all 
>> lines.
>>
>> DAve
>
> Thank you all, I got what I needed!
>
> DAve
>
I do this commonly to catch the lines with the  word "Building" in them, 
from a file "build.out:

tail -F build.out | grep --color=always Building


When I get a free moment, I need to see about making that --color-always 
the default.