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Re: New feature for 'wc': Filter lines by character count


From: Eric Blake
Subject: Re: New feature for 'wc': Filter lines by character count
Date: Thu, 03 Apr 2014 09:13:35 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0

On 04/03/2014 08:51 AM, Pádraig Brady wrote:

> While wc would be a place to add it if we were going to integrate this,
> I'm thinking the functionality is a bit too specialized to add.
> Existing tools can do this adequately I think. Consider:
> 
>   awk 'length($0) != 140' < log.txt | wc -l

Or even shorter:
  grep -vc '^.\{140\}$' log.txt

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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