how to set a default templat

[emacs25]

for example,i want set these options by default when using run-gnuplot

set term svg size 800,600 samples 200 font "xxx,12"

how should i do with emacs lisp?

thanks everybody

[E3D3]

Maybe https://github.com/hesstobi/Gnuplot-Templates is interesting for you.