createGraphs()
{
    OF=$1
    EXPT=$2

    gnuplot<<EOF
    set terminal postscript default
    set output "OF_vs_Exact.eps"
    set xlabel "t [sec]"
    set ylabel "x [mm]"
    set grid


    plot \
        "$EXPT" u 1:2 title "Exact", \
        "$OF" u 1:2 title "OpenFOAM" with line lt -1 lw 1
EOF
}

sed -e 's/[()]//g' "postProcessing/interfaceHeight1/1.36/position.dat" > "positionClean.dat"

OF="positionClean.dat"
EXPT="data.dat"

createGraphs $OF $EXPT