3 ./life_space_leak | sum > /tmp/sum-real-$$
5 cat > /tmp/sum-expected-$$ << EOTHING
9 if cmp -s /tmp/sum-real-$$ /tmp/sum-expected-$$ ; then
13 echo -n '*** sum I got: ' ; cat /tmp/sum-real-$$
14 echo -n '*** sum I expected: ' ; cat /tmp/sum-expected-$$