Re: how to tell gnuplot version and other things from a script

>-----Original Message-----
>From: Seger, Mark
>Sent: Friday, July 03, 2009 8:33 AM
>To: gnuplot-info@...
>Subject: how to tell gnuplot version and other things from a script
>
>I have a script that uses gnuplot to do its plotting and needs to be
>able to run with different versions.  It runs primarily in a linux
>environment but occasionally on windows too.  In the case of windows I
>have not been able to figure out the gnuplot version but on linux
>discovered I could:
>
>echo show version | gnuplot
>
>and parse the output.  But I just tried this with gnuplot V4.2 and
>discovered that while it works, I get a warning that it can't open the X
>display and this causes my script to hang for a long time and is not the
>behavior on earlier versions and doesn't seem to make sense anyway since
>not everyone runs gnuplot on X terminals.
>
>The second thing I'm trying to do is determine the size font a png
>terminal will use and I found I could do this with:
>
>(echo set terminal png; echo show terminal) | gnuplot
>
>but again I get that X11 warning.
>
>Finally, even if my terminal type is X, if I run the commands from a
>script they hang for awhile but work fine on earlier versions.
>
>That said, my question(s) come down to:
>
>what is the best/most efficient way to get the gnuplot versions and png
>font sizes from a script?
>less important but still something that would be nice is to have a way
>to do this in a windows environment.
>
>-mark
>