gnuplot with muliple files using loop

Question

I have a number of files with following order:

file_001.txt, file_002.txt, file_003_txt,
file_021.txt, file_023.txt, file_023.txt,
file_041.txt, file_042.txt, file_043.txt,
file_061.txt, file_062.txt, file_063.txt,
file_081.txt, file_082.txt, file_083.txt,
file_101.txt, file_102.txt, file_103.txt

I would like to plot each file in gnuplot using a loop. I can not able to make a loop. However my following script is working and looks a long script.

 plot,\
 for [i=1:3] 'file_00'$i'.txt' u 1:2,\
 for [i=1:3] 'file_02'$i'.txt' u 1:2,\
 for [i=1:3] 'file_04'$i'.txt' u 1:2,\
 for [i=1:3] 'file_06'$i'.txt' u 1:2,\
 and so on

How can I make the loop in any other efficient ways?

See stackoverflow.com/a/32359636/2604213, stackoverflow.com/q/29969393/2604213 or similar questions stackoverflow.com/search?q=%5Bgnuplot%5D+dir+ — Christoph
– Christoph, Commented May 10, 2016 at 19:10

Tom Solid · Accepted Answer · 2016-05-10 19:20:16Z

1

You can use embedded loop:

plot for [j=0:10:2] for [i=1:3] 'file0'.j.i.'.dat' u 1:2;

#for [<var> = <start> : <end> {: <incr>}]

answered May 10, 2016 at 19:20

Tom Solid

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2 Comments

Kay Over a year ago

How can I add another field to plot different distinct line. e.g. using 1:2, using 1:3, using 1:5, using 1:8. I mean plot for [k=2, 3, 5, 8] for [j=0:10:2] for [i=1:3] 'file0'.j.i.'.dat' u 1:k;

Tom Solid Over a year ago

I see that you have got the answer at stackoverflow.com/questions/37151871/… :) But just to make this post full: use: plot for [k in "2 3 5 8"] #for [<var> in "string of words"]

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