rm -f [ab].py{,c}
echo "umask = `umask`"
uname -a
python -V
echo "Running python.exe from: `which python`"
echo 'import b' > a.py
echo 'print "b"' > b.py
ls -l b.py
python a.py
ls -l b.pyc
rm b.pyc
chmod -w b.py
python a.py
ls -l b.pyc
sleep 2
touch b.py
python -v a.py 2>&1 | grep 'b\.py'
#touch b.py
#python -v a.py 2>&1 | grep 'b\.py'