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Re: Feature request for sort -u -k ...

From: Pádraig Brady
Subject: Re: Feature request for sort -u -k ...
Date: Mon, 27 Nov 2006 10:03:01 +0000
User-agent: Mozilla Thunderbird 1.0.8 (X11/20060502)

David Kastrup wrote:
> Hi,
> if one calls sort -u with -k fields or other things that can make
> unequal files compare as equal, sort always keeps the first of all
> lines that are considered equal.
> If one is compressing the information of some data gathering process,
> usually the last line is the one which one wants to keep.
> It would be nice if there was an additional option to sort that could
> provide this behavior.

This is way to specific to be adding to sort IMHO.
It it was to be added anywhere it would be "uniq"
when it get's support for -k field specifications.

> While one can do this by writing
> tac | sort -u ...
> this is not really elegant.

Looks elegant to me.


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