(Q) Running a program if and only if connected

[Luke Schapel]

That depends on when you want it to run.
When you switch your laptop on or when your laptop
connects to your desktop?

Timothy Murphy wrote:
> Probably a very elementary question ...
> 
> I want to run a program on my laptop when I switch on
> if and only if it is connected to my desktop.
> What is the best way to do this?
> 
> At present I have rather a complicated script in /etc/rc.d/rc.local
> (under RedHat-7.3) examining the output of "iwconfig eth0",
> but I'm sure there must be a better way than that.
> 
>