title "plot with filled curves"
color-set gnuplot
auto-legend true
math /xrange=-10:10
yrange -5:3
plot 1.5+sin(x)/x /fill=top
plot sin(x)/x /fill=close
plot 1+sin(x)/x
plot -1+sin(x)/x /fill y=-2
plot -2.5+sin(x)/x /fill xy=-5,-4.
plot -4.3+sin(x)/x /fill bottom
plot "(x>3.5 ? x/3-3 : 1/0)" /fill right