3 #cat ./plot_data | gnuplot -e "set term png; plot '-' with lines" > ./data.png
4 cat .
/_1 | gnuplot
-e "set term png; set output '/tmp/image_4ZdgYXZYRFKKs4X11461322439.png'; plot '-' with lines"
5 #gnuplot -e "set term postscript; set output \"data.ps\"; plot [-5:5] sin(x)"
6 #gnuplot -e "set term png; plot [-5:5] sin(x)" > ./data.png