How to "clear" the plot when using streamed feedgnuplot?

Question

I want to display a set of moving points.

I try using feedgnuplot for this:

$ feedgnuplot --domain --stream trigger
1 2
2 3
3 4
replot

After that it shows 3 points. Now I want to update their position:

1.1 2.1
2 2.9
3.1 3.8
replot

I see new points, but old ones haven't gone...

Answer 1

There's clear command, as mentioned in https://github.com/dkogan/feedgnuplot#special-data-commands .

1 2
2 3
3 4
replot
clear
1.1 2.1
2 2.9
3.1 3.8
replot
clear