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Date: Mon, 4 Feb 2008 16:02:43 +0100
From: Joerg Sonnenberger <joerg@britannica.bec.de>
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Subject: Re: sort(1) memory usage
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On Mon, Feb 04, 2008 at 04:04:35PM +0100, Dag-Erling Sm?rgrav wrote:
> Last I checked, it also (rather surprisingly) lacked -u (unique),
> which is required by POSIX.

That must have been before the import into src/usr.bin/sort in 2000.

Joerg