set datafile separator "," set terminal png set output "books.png" set xdata time set timefmt "%s" set xlabel "day" set ylabel "page" set format x "%g" set title "The Golden Ticket (ISBN)" set multiplot plot [] [0:162] '/home/fabien/media/cybook/readdaily' using 1:2 with boxes plot [] [0:162] '/home/fabien/media/cybook/read' using 1:2 with line unset multiplot