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

Mark Seger wrote:

I guess my problem is I started with 3.7 and those commands definitely do NOT work:

[root@cag-dl585-02 gnuplot-3.7.3]# gnuplot -v
         Cannot open load file '-v'
         line 0: (No such file or directory)

[root@cag-dl585-02 gnuplot-3.7.3]# gnuplot -V
         Cannot open load file '-V'
         line 0: (No such file or directory)

[root@cag-dl585-02 gnuplot-3.7.3]# gnuplot --version
         Cannot open load file '--version'
         line 0: (No such file or directory)

while the following does:

[root@cag-dl585-02 gnuplot-3.7.3]# echo show version | gnuplot

        G N U P L O T
        Version 3.7 patchlevel 3
        last modified Thu Dec 12 13:00:00 GMT 2002
        System: Linux 2.6.18-92.el5

I also tried those commands on a windows platform with 4.2 and they don't work there either.  I don't get an error message and I see something flicker as if it tried to start and then exited, but no terminal output:

C:\Users\mjs>\bin\gnuplot\bin\wgnuplot.exe -V

C:\Users\mjs>

As I said, I'm looking for something that works on all versions, at least since 3.7

-mark



>-----Original Message-----
>From: Thomas Sefzick [mailto:t.sefzick@fz-juelich.de]
>Sent: Friday, July 03, 2009 11:04 AM
>To: gnuplot-info@lists.sourceforge.net
>Subject: Re: [Gnuplot-info] how to tell gnuplot version and other things
>from a script
>
>
>should work on all platforms:
>gnuplot --version
>gnuplot -V
>
>
>Mark Seger wrote:
>>
>> I've been playing around a little more with different versions and it
>> looks like this problem is with 4.2.0 but 4.2.1 forward seems to be
>ok.
>> However I am still interested in finding out if there is a way to tell
>> tell a gnuplot version from a script on a windows platform.
>> -mark
>>
>>>-----Original Message-----
>>>From: Seger, Mark
>>>Sent: Friday, July 03, 2009 8:33 AM
>>>To: gnuplot-info@lists.sourceforge.net
>>>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
>>>
>>
>>
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>View this message in context: http://www.nabble.com/Re%3A-how-to-tell-
>gnuplot-version-and-other-things-from-a-script-tp24324088p24324596.html
>Sent from the Gnuplot - User mailing list archive at Nabble.com.
>
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