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Date: Sat, 17 Nov 2012 23:25:11 +0200
From: Alexander Kapshuk <alexander.kapshuk@gmail.com>
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To: freebsd@dreamchaser.org
Subject: Re: ports: deinstall-all
References: <50A16467.6090406@dreamchaser.org>
 <50A1F06F.7080602@bananmonarki.se>
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Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org>,
 Bernt Hansson <bah@bananmonarki.se>
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On 11/13/2012 09:02 AM, Bernt Hansson wrote:
> If you really want to remove all installed ports you can do as I do
>
> pkg_delete -f \* 
Perhaps not an ideal solution, but rather an alternative one, which 
works in bourn-derived shells:

# for p
in `pkg_info -ao | grep '.*/.*' | sed 's;.*;/usr/ports/&;'`
{
cd $p && make deinstall
}