echo T.chem:  test chem.awk

awk=${awk-../a.out}
oldawk=${oldawk-awk}

for i in lsd1.p penicil.p res.p
do
	$awk -f chem.awk $i >foo1
	$oldawk -f chem.awk $i >foo2
	diff foo1 foo2 || echo "BAD: T.chem on $i"
done