Korn shell question

Patrick O'Callaghan pocallaghan at gmail.com
Tue Apr 15 18:08:32 UTC 2008


On Tue, 2008-04-15 at 10:49 -0700, Don Russell wrote:
> How can I tell, from a Korn shell script, if the script is running in
> a vi sub-shell?
> 
> I have a script that has a problem when run from a vi subshell, and
> I'd like to check for that condition and just issue an error message.
> (I know that's not the solution to the problem, but the thing that
> fails is being replaced, so this is a temporary "fix")

Try:

ls -l /proc/`cat /proc/$$/status|grep PPid|cut -f2`/exe

and work from there.

poc




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