How about IO::AtomicFile? I don't think it will eliminate the possibility of 2 writers at the same time, but you could combine this module with a lock file to gain exclusive write access to the file (you could block readers this way as well if you needed to).

- Cees

In reply to Re: Update in-place with temporary file and flocking by cees
in thread Update in-place with temporary file and flocking by geohar

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