gnuplot terminal, "postscript", is not available

[Ben Abbott]

On Mar 23, 2009, at 11:12 AM, Ben Abbott wrote:

>
> On Monday, March 23, 2009, at 09:29AM, "Ivan Sutoris" <ivan.sutoris at gmail.com 
> > wrote:
>> Bug report for Octave 3.1.54+ configured for i686-pc-linux-gnu
>>
>> Description:
>> -----------
>>
>> After compiling recent tip (9006:979d0492ff40), I can't print figures
>> to files (it worked with devel. version before and also in 3.0.3). I
>> get "error: gnuplot_drawnow: the gnuplot terminal, "postscript", is
>> not available." I am using gnuplot 4.2 and the problem seems to occur
>> in line 44 of gnuplot_drawnow.m:
>>
>> available_terminals = __gnuplot_get_var__ (plot_stream,  
>> "GPVAL_TERMINALS");
>>
>> After this line, available_terminals contains NaN, so no terminal is
>> recognised. Could this be caused by this version of gnuplot not
>> working corectly with __gnuplot_get_var__?
>>
>> Repeat-By:
>> ---------
>>
>> plot(randn(100,1))
>> print myfig.eps -depsc
>>
>
> Ivan,
>
> My mistake. The GPVAL_TERMINALS variable apparently is only  
> available for gnuplot's developer's sources.
>
> I'll provide a patch later. In the meantime, you can short-circuit  
> the check in gnuplot_drawnow by ...
>
>      plot_stream = open_gnuplot_stream (2, []);
>      available_terminals = __gnuplot_get_var__ (plot_stream,  
> "GPVAL_TERMINALS");
>      available_terminals = regexp (available_terminals, "\\b\\w+\ 
> \b", "match");
> -     if (any (strcmpi (available_terminals, gnuplot_trim_term  
> (term))))
> +     if (true)
>
> Ben

I've pushed the patch.

Ben