> $test=exec("/usr/bin/xvfb-run /usr/bin/njplot -psonly testfile" );
Actually, I think that you can just run the command without the xvfb-run
command...
$test = exec("/usr/bin/njplot -psonly testfile" );
that should just create the testfile.ps file and not fire up a x-window.
The error with the xvfb-run is that the command cannot find the xauth
command that it needs to set up the x server environment. Try the above
one and see if that works for you...if not then install xauth and revert
to running it in xvfb-run.
--
BigDog
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