Thanks I will try that. 

I wonder if when the next stable release ships if there could be a check if gnuplot 5 fails, then try 4.7? I'm not sure if shipping with both versions of gnuplot would be practical? Or even possible? Anyway, I ran into this when I needed to re-run some old code that I  could have just updated. 

Cheers, 

Logan 





-------- Original message --------
From: Allin Cottrell
Date:07/21/2014 3:42 AM (GMT-06:00)
To: Gretl development
Subject: Re: [Gretl-devel] Running CVS and Latest release on the same box

On Mon, 21 Jul 2014, Logan Kelly wrote:

> I am running Win 7 64 bit
>
> I would like to run both the latest stable release and the cvs on the
> same machine. I have installed both in separate directories. My problem
> is that gretl 1.9.90 is calling gnuplot from the gretl cvs installation,
> i.e.
>
> "C:\Program Files\gretl_cvs\wgnuplot.exe" "C:\Users\Logan
> Kelly\AppData\Roaming\gretl\gpttmp.c09324": exit code 1
>
> Instead of
>
> "C:\Program Files\gretl\wgnuplot.exe" "C:\Users\Logan
> Kelly\AppData\Roaming\gretl\gpttmp.c09324": exit code 1
>
> Is there a way to tell gretl where gnuplot is? By the way the error from
> gnuplot is what has prompted me to do this, but that is another post for
> when I have a chance to investigate.

First, the error from gnuplot: this is because the gnuplot version differs
between the last release (4.7) and current CVS (5.0 rc) and there's a
backward incompatible change in gnuplot from 4 to 5: gretl 1.9.90 is
writing version-4 compatible gnuplot files but CVS gretl writes version-5
compatible files.

Gretl is not specifically designed to support multiple installations, but
it should be possible to "fake" it. Try deleting

C:\Users\Logan Kelly\AppData\Roaming\gretl\.gretl2rc

before starting gretl.

Allin Cottrell
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