Subject: Re: bug#10365: [PATCH] uniq: add ability to skip last N chars or fields

From: Paul Eggert <[email-masked]>
Date: Mon, 26 Dec 2011 09:39:26 -0800

On 12/26/11 08:35, Pádraig Brady wrote:
> supporting --key would not provide this functionality.

It would support it in the most common cases, no?
That is, if every line has (say) 10 fields, then
the proposed 'uniq -F3' would be equivalent to
the proposed 'uniq -k1,7'.

I can't offhand think of good use cases for uniq -F
that would not be subsumed by uniq -k.