gnuplot-info

[Gnuplot-info] setting variables prior to running gnuplot on Win32

[Bench <na...@be...>]

Greetings,

I apologize if this is a FAQ. I have some gnuplot files I want to execute
multiple times varying some of the values within. I can't use environment
variables because I am running this on a Win32 machine so backtick
substitution won't work within gnuplot. And I can't find any way to pass
variables via the calling command line.

Any ideas?

Thanks.
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Re: [Gnuplot-info] setting variables prior to running gnuplot on Win32

[Hans-Bernhard B. <HBB...@t-...>]

Bench wrote:
> I apologize if this is a FAQ. I have some gnuplot files I want to execute
> multiple times varying some of the values within. I can't use environment
> variables because I am running this on a Win32 machine so backtick
> substitution won't work within gnuplot.

It will, if you use wgnuplot_pipe.exe or the Cygwin+X11 gnuplot.exe

Re: [Gnuplot-info] setting variables prior to running gnuplot on Win32

[Bench <na...@be...>]

>It will, if you use wgnuplot_pipe.exe or the Cygwin+X11 gnuplot.exe

That works. Thanks! Here's a small sample of what I was trying to do and
what I can now do. First I set some variables in the environment:

C:\> set GP_FILENAME=foo.png
C:\> set GP_TITLE=A test plot

and run wgnuplot_pipes with the following contents in a static file:

OUTFILE = "`echo %GP_FILENAME%`"
TITLE = "`echo %GP_TITLE%`"
set title TITLE
set term png
set out OUTFILE
plot x

...and, bingo. It creates foo.png with the title I set. Thanks again!

Ben

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Re: [Gnuplot-info] setting variables prior to running gnuplot on Win32

[Tatsuro M. <tma...@ya...>]

Hello 

What do you want to do in detail?
I cannot understand it.

Do you have a script file that have parameters and do you want to control the parameter from external
environmnts?

If so my idea to use combination of batch file and script file.

*********
# testscript.gp -- test script file
plot a*x+b
  
**********

**************
rem ===test.bat test batch file: usage : test 1.0 5.0
rem == the a=1.0, b=5.0
echo a=%1; b=%2 > exescript.gp
type testsrcipt.gp >> exescript.gp
wgnuplot  exescript.gp - 
del exescript.gp
del tmpxxxxx.txt
**********


Is the above example helpful for you ?

Regards
Tatsuro
--- Bench <na...@be...> wrote:

> 
> Greetings,
> 
> I apologize if this is a FAQ. I have some gnuplot files I want to execute
> multiple times varying some of the values within. I can't use environment
> variables because I am running this on a Win32 machine so backtick
> substitution won't work within gnuplot. And I can't find any way to pass
> variables via the calling command line.
> 
> Any ideas?
> 
> Thanks.
> -- 
> View this message in context:
> http://www.nabble.com/setting-variables-prior-to-running-gnuplot-on-Win32-tp16737186p16737186.html
> Sent from the Gnuplot - User mailing list archive at Nabble.com.
> 
> 
> -------------------------------------------------------------------------
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Re: [Gnuplot-info] setting variables prior to running gnuplot on Win32

[Bench <na...@be...>]

Thanks for replying. I see what you are suggesting here. That is basically
what I am doing now. I was just looking for a solution that wouldn't require
temporary files. Hans-Bernhard reply nailed it: use wgnuplot_pipes.

Ben


Tatsuro MATSUOKA-5 wrote:
> 
> Hello 
> 
> What do you want to do in detail?
> I cannot understand it.
> 
> Do you have a script file that have parameters and do you want to control
> the parameter from external
> environmnts?
> 
> If so my idea to use combination of batch file and script file.
> 
> *********
> # testscript.gp -- test script file
> plot a*x+b
>   
> **********
> 
> **************
> rem ===test.bat test batch file: usage : test 1.0 5.0
> rem == the a=1.0, b=5.0
> echo a=%1; b=%2 > exescript.gp
> type testsrcipt.gp >> exescript.gp
> wgnuplot  exescript.gp - 
> del exescript.gp
> del tmpxxxxx.txt
> **********
> 
> 
> Is the above example helpful for you ?
> 
> Regards
> Tatsuro
> 

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