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 > 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 > > 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 > > To subscribe, unsubscribe, or to change your mail settings: > 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