This won't work all of the time since there is a race condition. If two processes get past the 1 until -w $file line simultaneously. One will end up die'ing when the rename fails. Update: changed "while" to "until".

In reply to Re^2: What the flock!? Concurrency issues in file writing. by bluto
in thread What the flock!? Concurrency issues in file writing. by suaveant

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