Is there a way to release unused tracks in a classic z/OS PDS but without having to open and close it?

Or if opening/closing is required, is there a way to do that for a PDS without knowing (or discovering) what members are in it, and without creating a new member?

Obviously, I could write something, but I don't want to.
And I cannot rely on the presence of any program or TSO command that does not come standard on a z/OS system?

I don't think there is a way to do this, but I'd love for someone to prove me wrong.


David Cole
dbc...@gmail.com (personal)
dbc...@colesoft.com (business)
540-456-6518 (cell)

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