> I had to put:
>
> export DISPLAY=":0.0"
>
> in my .bash_profile since I got a Mac back when we were still on
> Panther. Otherwise X applications wouldn't connect when run from
> Terminal.app.
True. If you are starting X apps from a non-X app, then you have to
set DISPLAY yourself. But you shouldn't be setting it manually in a
remote SSH session when you're tunneling X back; sshd should be
setting it for you.
A safer thing might be:
export DISPLAY=${DISPLAY:-":0.0"}
Quotes are better around the expansion than inside it. The ones
inside don't hurt and do break up the visually confusing sequence "
:-: ", but if you have a space in the existing DISPLAY value (hey, it
could happen!) the command will break without the outer quotes.
I have this in my .profile:
case "$-" in *i*) # only do this in interactive shells
# ...
echo "DISPLAY is set to ${DISPLAY:=:0.0}"
# ...
;;
esac
--
The primary task of most software projects is to discover and resolve
these unknowns rather than to build a system. -- Philip G. Armour
--
Richard Cook
✇ Lawrence Livermore National Laboratory
Bldg-453 Rm-4037, Mail Stop L-557
7000 East Avenue, Livermore, CA, 94550, USA
☎ (925) 423-9605
(925) 423-6961
---
Information Management & Graphics Grp., Services & Development Div.,
Integrated Computing & Communications Dept.
(opinions expressed herein are mine and not those of LLNL)
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