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Date:      Fri, 10 May 2013 01:19:45 -0400
From:      Jason Hellenthal <jhellenthal@dataix.net>
To:        "Marc G. Fournier" <scrappy@hub.org>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
Subject:   Re: status of a tap device ...
Message-ID:  <746BAC62-DA57-4D4D-A7F4-46A1C74C73B6@DataIX.net>
In-Reply-To: <518C7F85.3000405@hub.org>
References:  <518C7F85.3000405@hub.org>

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Ifconfig -v tap0 ? Does this work for you ?

Also upon opening a tap...

ifconfig tap create

Will return the numeric portion of the tap that was created with $?

So scripting it out it would be similar to...

ifconfig tap create && export MYTUNIS=3D"$?"

echo "tap$MYTAPIS"

--=20
 Jason Hellenthal
 IS&T Services Professional
 Inbox: jhellenthal@DataIX.net
 JJH48-ARIN


On May 10, 2013, at 1:03, "Marc G. Fournier" <scrappy@hub.org> wrote:

>=20
> Quick question ... is there a command I can run that will tell me if a tap=
 device is open?  I know I can do 'ifconfig tap0' and see the 'Opened by' li=
ne, but I want to do this within a perl script, for instance, akin to how I c=
an use the fstat function to get information about a file ...
>=20
> Rather avoid re-creating the wheel, so to say, if its already been created=
 ...
>=20
> Thx
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