echo "generating gnuplot file ($center, $yl, $yh, $ly) ..."
cat > $1/ksl_plot.gpi <<!
plot "ks_levels_o" w xerrorbars pt $OPT ps $PS t "", "ks_levels_u" w xerrorbars pt $UPT ps $PS t "", "ks_levels_p" w xerrorbars pt $OPT ps $PS t ""
echo "generating gnuplot file ($center, $yl, $yh, $ly) ..."
cat > $1/ksl_plot.gpi <<!
plot "ks_levels_o" w xerrorbars pt $OPT ps $PS t "", "ks_levels_u" w xerrorbars pt $UPT ps $PS t "", "ks_levels_p" w xerrorbars pt $OPT ps $PS t ""