else \
./advent430 <$${stem}.log | oldfilter >$${stem}.ochk; \
../advent <$${stem}.log >$${stem}.log-new; \
- ./newfilter <$${stem}.log-new | tapdiffer -w "$${stem}: $${legend}" $${stem}.ochk; \
+ ./newfilter <$${stem}.log-new | tapdiffer -b "$${stem}: $${legend}" $${stem}.ochk; \
fi; \
done; \
echo 1..$(words $(shell ls *.log))) | $(TAPFILTER)