D:\perl\scratch>(start flock_test.pl) && (perl -e "sleep 2") && (echo "foo" > sem.lck)
The process cannot access the file because it is being used by another process.

##</code><code>##

D:\perl\scratch>(start flock_test.pl) && (perl -e "sleep 2") && (flock_test.pl)
Opened file
Printed
Got lock