Brian's ipcalc looks like it might simplify things a bit. Nice.
On 10/27/2011 10:57 AM, Dazed_75 wrote:
> Thanks Eric. Those are what I was going to use before I had the thought
> that someone might know of an already built function I could use rather
> than me taking the IP and netmask apart, applying those, and
> reassembling the IPrange. I suppose I've already wasted more time than
> I would have saved. :)
>
> On Thu, Oct 27, 2011 at 10:28 AM, Eric Shubert <ejs@shubes.net
> <mailto:ejs@shubes.net>> wrote:
>
> On 10/26/2011 09:49 PM, Dazed_75 wrote:
>
> I would like to apply a netmask to an arbitrary IP in a
> bash/dash script
> (e.g. apply 255.255.255.0 to 173.10.3.155 to get 173.10.3.0).
> Is there
> any easy way to do that without taking the IP apart, doing 4
> operations
> and reassembling the results?
>
> --
> Dazed_75 a.k.a. Larry
>
> The spirit of resistance to government is so valuable on certain
> occasions, that I wish it always to be kept alive.
> - Thomas Jefferson
>
>
> http://tldp.org/LDP/abs/html/__ops.html
> <http://tldp.org/LDP/abs/html/ops.html>
> See "bitwise operators" about half way down the page. I think that's
> what you're looking for.
>
> --
> -Eric 'shubes'
>
>
> ------------------------------__---------------------
> PLUG-discuss mailing list - PLUG-discuss@lists.plug.__phoenix.az.us
> <mailto:PLUG-discuss@lists.plug.phoenix.az.us>
> To subscribe, unsubscribe, or to change your mail settings:
> http://lists.PLUG.phoenix.az.__us/mailman/listinfo/plug-__discuss
> <http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss>
>
>
>
>
> --
> Dazed_75 a.k.a. Larry
>
> The spirit of resistance to government is so valuable on certain
> occasions, that I wish it always to be kept alive.
> - Thomas Jefferson
>
--
-Eric 'shubes'
---------------------------------------------------
PLUG-discuss mailing list -
PLUG-discuss@lists.plug.phoenix.az.us
To subscribe, unsubscribe, or to change your mail settings:
http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
(text/plain)