#!/usr/bin/gnuplot -persist

set xlabel "x/y time"
set ylabel "x/y values"
set style line 1 lt 1 pt 7 ps 1
set style line 2 lt 2 pt 7 ps 1
set style line 3 lt 3 pt 7 ps 1
set style line 4 lt 4 pt 7 ps 1

data_file = "data.csv"
out_file  = "out.csv"

# Input file contains comma-separated values fields
set datafile separator ","

plot                                \
    data_file using ($1)                    \
    title "x"                       \
    with linespoints linestyle 1,               \
    data_file using ($2)                    \
    title "y"                       \
    with linespoints linestyle 2,               \
    out_file using ($1)                 \
    title "x_{LPF2}"                    \
    with linespoints linestyle 3,               \
    out_file using ($2)                 \
    title "y_{LPF2}"                    \
    with linespoints linestyle 4,               \

pause mouse close