From: Mamoru KOMACHI <usata@gentoo.org>
To: gentoo-dev@gentoo.org
Subject: Re: [gentoo-dev] how to determine if a virtual is installed, from the shell?
Date: Tue, 19 Aug 2003 15:25:25 +0900 [thread overview]
Message-ID: <86ekziqi3u.wl%usata@gentoo.org> (raw)
In-Reply-To: <20030819044350.07c7c89e.spider@gentoo.org>
At Tue, 19 Aug 2003 04:43:50 +0200,
Spider wrote:
>
> [1 <text/plain; US-ASCII (7bit)>]
> begin quote
> On Mon, 18 Aug 2003 22:31:47 -0400
> Owen Gunden <ogunden@stwing.upenn.edu> wrote:
>
> > So hypothetically, if I wanted to write a shell script that behaved
> > differently if virtual/mta was installed than if it was not, what
> > would I do?
> cat /var/cache/edb/virtuals ... this should give you the format
> enough to work shell magic with it :)
Alternatively, you can use has_version function. If you want to use
it from normal shell script (not an ebuild), use
/usr/bin/portageq has_version / 'virtual/mta' && ...
See man 5 ebuild for more detail.
--
Mamoru KOMACHI <usata@gentoo.org>
http://dev.gentoo.org/~usata/
--
gentoo-dev@gentoo.org mailing list
prev parent reply other threads:[~2003-08-19 6:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-19 2:31 [gentoo-dev] how to determine if a virtual is installed, from the shell? Owen Gunden
2003-08-19 2:43 ` Spider
2003-08-19 2:49 ` Owen Gunden
2003-08-19 6:25 ` Mamoru KOMACHI [this message]
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