gnuplot is an alternative that is available on almost as many systems as awk, and can do the job as well
edit: this prompted me to write up a little note showing how: https://notes.billmill.org/visualization/graphs/gnuplot/A_ba...
edit: this prompted me to write up a little note showing how: https://notes.billmill.org/visualization/graphs/gnuplot/A_ba...
(The nice feature of feedgnuplot of course is that you can _also_ render the plots to images, which youplot can't)
But you could feed them through `textimg`[1] to generate PNGs.