I just have to ask this one question.

How difficult is it to get the number of directory blocks from a PDS in
a _____ program (where the blank can be filled in with COBOL, PL/1,
REXX, etc., but not HLASM/ASM) and then open the data set with RECFM=U
and then write an initial directory block followed by n empty blocks?

With that question asked, if it is not so difficult, wouldn't that allow
you to clear a PDS right rapidly? The only access you would have to have
for the data set is update, because you aren't deleting it or
[re-]allocating it.

Regards,
Steve Thompson

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