You could get a little closer by checking the value of the DISPLAY
variable.
David Pounder wrote:
>
> Is it possible for a shell script to be able to determine whether it
> has been invoked from within X (either from a shell window or a KDE
> link) or from a text console.
>
> I considered using ps with grep but that would only tell me whether X
> is running - not necessarily the same thing.
>
> Suggestions would be welcome.
>
> Many thanks in advance.
>
> Dave.
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