--- /dev/null
+rm intertest
+make intertest
+./intertest > test.dat
+
+cmd="set title \"Interferometer Test\""
+cmd="$cmd; set xlabel \"Time (s)\""
+cmd="$cmd; set ylabel \"Phase (rad)\""
+cmd="$cmd; plot \"test.dat\" u 1:3 t \"Specified\" w l, \"test.dat\" u 1:5 t \"Calculated\" w p"
+gnuplot --persist -e "$cmd"
+
+cmd="set title \"Interferometer Test\""
+cmd="$cmd; set xlabel \"Time (s)\""
+cmd="$cmd; set ylabel \"Delta Phase (rad)\""
+cmd="$cmd; plot \"test.dat\" u 1:2 t \"Specified\" w l, \"test.dat\" u 1:4 t \"Measured\" w p"
+gnuplot --persist -e "$cmd"