#!/usr/bin/gnuplot -persist
-# TODO: deal with time of the day
-set timefmt "%d/%m/%Y"
+set datafile separator ';'
+set timefmt "%d/%m/%Y-%H.%M"
set xdata time
+set format x "%d/%m/%Y\n%H.%M"
+set xtics out nomirror rotate by -45
-set datafile separator ';'
+set multiplot layout 2,1
+set title "User 1"
plot \
- 'data.csv' using 1:3 every ::1 with lp title "systolic", \
- 'data.csv' using 1:4 every ::1 with lp title "diastolic" , \
- 'data.csv' using 1:5 every ::1 with lp title "pulses"
+ 'data.csv' i 0 using (stringcolumn(1).'-'.stringcolumn(2)):3 every ::1 with lp title "systolic", \
+ 'data.csv' i 0 using (stringcolumn(1).'-'.stringcolumn(2)):4 every ::1 with lp title "diastolic", \
+ 'data.csv' i 0 using (stringcolumn(1).'-'.stringcolumn(2)):5 every ::1 with lp title "pulses"
+
+set title "User 2"
+plot \
+ 'data.csv' i 1 using (stringcolumn(1).'-'.stringcolumn(2)):3 every ::1 with lp title "systolic", \
+ 'data.csv' i 1 using (stringcolumn(1).'-'.stringcolumn(2)):4 every ::1 with lp title "diastolic", \
+ 'data.csv' i 1 using (stringcolumn(1).'-'.stringcolumn(2)):5 every ::1 with lp title "pulses"
+
+unset multiplot