= Real time live plot from streaming data
E.g. showing live data from a scientific instrument! TODO:
* https://superuser.com/questions/825588/what-is-the-easiest-way-of-visualizing-data-from-stdout-as-a-graph
* https://unix.stackexchange.com/questions/190337/how-can-i-make-a-graphical-plot-of-a-sequence-of-numbers-from-the-standard-input
* https://stackoverflow.com/questions/44470965/how-can-you-watch-gnuplot-realtime-data-plots-as-a-live-graph-with-automatic-up
* https://stackoverflow.com/questions/14074790/plotting-a-string-of-csv-data-in-realtime-using-linux
* https://stackoverflow.com/questions/11874767/how-do-i-plot-in-real-time-in-a-while-loop-using-matplotlib