> Thanks, Amit. I've played with it for just a few seconds but I've got > to run... The graph seems to appear and disappear within a nanosecond. > When I have more time I'll google the situation. > > Dotan Cohen > That is expected. To avoid that you have to run gnuplot in persist mode... meaning "gnuplot -persist plot1.gnu" instead of "gnuplot plot1.gnu" I should have mentioned this earlier it just slipped out of my mind. Hope that helps. Amit