file=${file=simlog.csv}
n=${n=4}

sub() {
	n=$1
	shift
	title="$*"
	cut -d, -f $n $file|  sed '1d' > /tmp/$$.dat
	gnuplot<<EOF
		set title "$title"
		set nokey
		set terminal dumb
		plot "/tmp/$$.dat"
EOF
}

#sub 4 average energy
#sub 5 sd energy
sub 6 median energy
sub 7 spread energy
#sub 8 average effort
#sub 9 sd effort
sub 10 median effort
sub 11 spread effort
#sub 12 average defects
#sub 13 sd defects
sub 14 median defects
sub 15 spread defects
#sub 16 average threat
#sub 17 sd threat
sub 18 median threat
sub 19 spread threat
#sub 20 average months
#sub 21 sd months
sub 22 median months
sub 23 spread months