From: Trent Piepho <tpiepho@kymetacorp.com>
To: Giorgio <giorgio.nicole@arcor.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: variables with random values
Date: Thu, 12 May 2016 19:41:45 +0000 [thread overview]
Message-ID: <1463082107.9103.271.camel@rtred1test09.kymeta.local> (raw)
In-Reply-To: <5c4dfe40-5338-cdbe-f96d-a5275f75872b@arcor.de>
Have you considered using DHCP? It would work a lot better, as you
won't have to worry about duplicate IPs or invalid IPs.
I think you'll have to write a new globalvar for barebox to get a random
value, since the shell doesn't support backtick substitution.
On Thu, 2016-05-12 at 21:34 +0200, Giorgio wrote:
> Hi,
>
> I'm writing a shell script within barebox to assist an embedded board
> initialization process. Some commands in the script do firmware
> download with tftp; to allow initializing more than one board at
> a time I need to assign every board a random ip address; I would
> like to have a shell variable that every time it is dereferenced
> it results in a new random (8 bits) value so I could write:
>
> eth0.ipaddr=10.$RND.$RND.$RND
>
> Is there a way to do something similar in barebox ?
>
> giorgio
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
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prev parent reply other threads:[~2016-05-12 19:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 19:34 Giorgio
2016-05-12 19:41 ` Trent Piepho [this message]
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