3 set output sprintf("%s.png", ARGV[1][:strlen(ARGV[1])-4])
4 set multiplot layout 2,2
5 plot ARGV[1] using 1:2 with lines title 'q'
6 plot ARGV[1] using 1:3 with lines title 'v'
7 plot ARGV[1] using 1:4 with lines title 'a'
8 plot ARGV[1] using 1:5 with lines title 'j'