Re: [Gnuplot-info] command line arguments to gnuplot scripts

[LukasP <LP...@po...>]

Hello all,

I have the same problem - how to access parameters passed on the system
command line.

I am a Windows user, so solutions described above are unreachable for me.

Let's have system command:

wgnuplot.exe tab2png.gp test.tab

Inside the tab2png.gp, I need to access test.tab passed on the command line.
How to do it?

Do you think it would be possible or useful to implement built-in variables
(e.g. ARG1, ... ARG9) which would represent the command line arguments for
[w]gnuplot?

Or to create a built-in function e.g. getenv(varname) which would get the
environment variable? So it would be possible to write to the command line:

C:\> wgnuplot.exe tab2png.gp test.tab

or:

C:\> set FILE=test.tab
C:\> wgnuplot.exe tab2png.gp

And the tab2png would look e.g.:

plot $ARGV1 using 1:2 with lines

or:

set FILE getenv("FILE")
plot FILE using 1:2 with lines

Thank you in advance

Lukas
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