Well, if you are worried about intentional collisions, then you should use umask.

If you are worried about accidental collisions ( i.e. somebody running the same script by accident) then it sounds like you need to implement locking. You could take a look at Proc::Pid_File.

In reply to Re: Adding a bit of security to Cache::FileCache by ehdonhon
in thread Adding a bit of security to Cache::FileCache by Nitrox

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