There is an android app that does the math. But that's all I got. On Oct 27, 2011 12:38 AM, "Dazed_75" wrote: > Thanks Josef, I was hoping there was a way to avoid the manipulation work. > > I have never used Python though I have looked at some. I saw 3 .py files > and release notes in the download. I saw no readable description of the > contents/functionality and more unfamiliar code I didn't want to read. > probably easier to do the manipulations than to learn Python. > > On Thu, Oct 27, 2011 at 12:24 AM, Joseph Sinclair < > plug-discussion@stcaz.net> wrote: > >> well, an IP4 address is just an unsigned int32, and a netmask is just the >> number of bits to keep... >> you could turn the dotted notation into an int32, then mask off the proper >> bits, then translate back to the dotted notation. >> >> Or you could use Python for the script and use the ip address library in >> Python[1] to apply the netmask. >> >> [1] http://code.google.com/p/ipaddr-py/ >> >> 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? >> > >> > >> > >> > >> > --------------------------------------------------- >> > 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 >> >> >> --------------------------------------------------- >> 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 > > --------------------------------------------------- > 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 >