rm -f fort.*
rm -f divapipe
rm -f dvping
rm -f dvpong
mkfifo dvping
mkfifo dvpong
mkdir -p sub
cd sub
rm -f fort.*
echo 1 > fort.55
../piperw.a &
cd ..
echo 0 > fort.55
piperw.a

cat fort.66

echo If problems were encountered during execution, please check for
echo still running piperw.a \( ps -eafl piperw.a \) and kill them
echo Possibly run the pipetest again

rm -f fort.*
rm -f divapipe
rm -f dvping
rm -f dvpong
mkdir -p sub
cd sub
rm -f fort.*
cd ..