echo "Warm up"
i=1
while test $i != 99; do
    : <<HERE
Hello $i `echo builtin_$i`
HERE
    : $((i++))
done

memleak

echo "Measuring memory leak..."
i=1
while test $i != 99; do
    : <<HERE
Hello $i `echo builtin_$i`
HERE
    : $((i++))
done
i=1
while test $i != 99; do
    : <<HERE
Hello $i `echo builtin_$i`
HERE
    : $((i++))
done

memleak
kb=$?
if test $kb -le 4; then
    echo Ok #$kb
else
    echo "Bad: $kb kb (or more) leaked"
fi