Re: [Gnuplot-info] how to send user-defined variables to linux commands

[ivana r. <iva...@mf...>]

Hi Jon,

the more powerfull gnuplot command than `` you are looking for, is
named "system"

good luck

Iva


On 04/11/2018, Jon <dev...@gm...> wrote:
> Dear All,
>
> I would like to define a variable and then use it in the linux command
> within a gnuplot script, how to successfully do that? An example is
> provided below
>
> ==========================
> set macro
> pos=2
> tgt="`ls ../../.. | head -n pos | tail -n 1`"
> set term pngcairo transparent color solid
> set out @tgt.'_file.png'
> p sin(x)
> set out
> ==========================
>
> note pos is the variable I would like to define in the script to be used in
> the linux command
>
> ls ../../.. | head -n pos | tail -n 1
>
> but it cannot be sent over. Is there way to realize the like functionality
> within gnuplot?
>
> Thanks,
>
> Sincerely,
> Jon
>
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