From owner-freebsd-ports@freebsd.org  Thu Oct 13 04:39:59 2016
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From: <reko.turja@liukuma.net>
To: <freebsd-ports@freebsd.org>
Subject: Alternatives to rsync
Date: Thu, 13 Oct 2016 07:39:45 +0300
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One of my users is needing rsync like functionality to transfer changed 
contents of some directories between couple of machines. As rsync 3 isn't 
open source, but GPL3 it's out of question in order to keep the system 
untainted.

The software should be relatively lightweight - no fullblown 
mirroring/backup is needed. Also hints how to achieve similar ends using 
maybe tar/ssh might do.

-Reko