Gdtyjr

I want to access and plot the same data from different LaTeX documents (a paper and a beamer presentation) using gnuplottex. The data and the gnuplot script is stored at some individual position relative to the two documents. To re-use as much code as possible, I would like to define the relative path to the data in each document in a macro, here datapath.

My question is: How can I pass the value of this command to the gnuplot script? I would basically like to use the following in my MWE:

plot datapath'/data.csv' using 1:2 with lines

I did find this thread. However I was unable to modify it to my needs. Can someone help me, please?

MWE

documentclassarticle

usepackage[latin1]inputenx
usepackagefilecontents
usepackage[
 miktex, % 
 subfolder, % generated graphs in a ”gnuplottex” subfolder
 cleanup, % Delete the .gnuplot files after conversion
]gnuplottex

newcommanddatapath./ZZZ

begindocument

% This is the data file to be plotted from
beginfilecontents*datapath/data.csv
Col1,Col2
0,0
1,1
endfilecontents*

% This is the gnuplot script I would like to use the value of datapath in
beginfilecontents*datapath/script.gnuplot
set key autotitle columnhead
set datafile separator "," # for csv-file
plot './ZZZ/data.csv' using 1:2 with lines
endfilecontents*

beginfigure[htbp]
centering
gnuplotloadfile[terminal=cairolatex]datapath/script.gnuplot
endfigure

enddocument

You can do it with immediatewrite instead of filecontents*:

newwritetempfile

immediateopenouttempfile=datapath/script.gnuplot
immediatewritetempfileset key autotitle columnhead; 
set datafile separator ","; 
plot 'datapath/data.csv' using 1:2 with lines
immediatecloseouttempfile