As discussed in Ensuring only one copy of a perl script is running at a time, be aware that this trick works on Unix (with advisory locking), but does not work on Windows (mandatory locking).
In reply to Re^2: Lock File
by eyepopslikeamosquito
in thread Lock File
by toniax
For: | Use: | ||
& | & | ||
< | < | ||
> | > | ||
[ | [ | ||
] | ] |