#!/usr/bin/gnuplot -persist set datafile separator ';' set timefmt "%d/%m/%Y-%H.%M" set xdata time plot \ 'data.csv' using (stringcolumn(1).'-'.stringcolumn(2)):3 every ::1 with lp title "systolic", \ 'data.csv' using (stringcolumn(1).'-'.stringcolumn(2)):4 every ::1 with lp title "diastolic", \ 'data.csv' using (stringcolumn(1).'-'.stringcolumn(2)):5 every ::1 with lp title "pulses"