What is the best way to set variables depending on environment?

[Derek Broughton]

Janne Jokitalo wrote:

> Magnus Therning wrote:
>> Have you looked at the package laptop-netconf? It seems to be aimed at
>> the sort of thing you are talking about.
> 
> I did. If I understood it correctly, it requires MAC address for the DHCP
> server. Which I don't have. Might even not get.

arping -I etho ip-address

and if you don't know the IP of the DHCP server, either check the leases
file or "grep DHCP /var/log/syslog".

> I'll read more about it, 
> as I only quickly glanced over the manpages... But if that's the case, it
> might not be the tool for me.
> 
> Then I read somewhere about another tool, whereami, but the webpage says
> it uses (thru hotplug?) a PCMCIA card inserting/removal, and I have both
> network cards (wired&wireless) built-in. Does that mean it won't work
> either? *hmpf* :)

Sure it will.  Whereami works great, at least for wired interfaces - I'm
still trying to build my wireless network and haven't tried to find out if
whereami can handle wireless.
-- 
derek