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"Allocate the data area with an exclusive lock"

Even better! Thanks Paul, Rory and for everyone's prompt replies.

I do believe I'll pursue this angle.

John B


John,

Allocate the data area with an exclusive lock instead of checking for existence. If you can't allocate then > someone is already using it and you're the second user. Alternatively you could just allocate the display file > and avoid the need for the data area. If the job ends the allocation lock goes away automatically.

Paul

Principal Programmer Analyst
IS Supply Chain/Replenishment

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