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Date: Fri, 1 May 2015 22:03:11 +0100
From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-users@zsh.org
Subject: Re: Parse apache error_log
Message-ID: <20150501220311.6f101a62@ntlworld.com>
In-Reply-To: <XnsA48DA9D8816E2davidrayninfocouk@80.91.229.13>
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On Fri, 1 May 2015 15:41:37 +0000 (UTC)
zzapper <david@rayninfo.co.uk> wrote:
> Don't know if this is a job for zsh or sed etc
> 
> Format:-
> [Fri May 01 16:25:05 2015] [error] [client 172.18.158.61] PHP Parse error:  
> syntax error, unexpected T_VARIABLE 
> 
> I want to grab the date-time of the last entry and then display all the 
> entries with the same date-time.

Well, you *could* do this...

log=wherever
fgrep -h "$(tail -1 $log | sed 's/^\[\([^]]*\)\].*/\1/')" $log

pws