On Thu, 15 Feb 2018 10:39:51 +0200, Binyamin Dissen wrote:

>On Thu, 15 Feb 2018 02:14:35 -0600 Jerry Levine wrote:
>
>:>Is it possible to change the buffer address and LRECL before issuing the 
>PUTX?

No. That would clobber the next record on the track. Or perhaps not fit on the 
track.

>
>You would have to do the same as what EXPAND does, and create a new member.
>That will involve BPAM. You cannot (safely) change the lengths of blocks in a
>PDS member using standard access methods.

I don't know if the Binder APIs will help you, but you might want to look. 
The binder does some fancy stuff with TRKBAL and the size of TXT records.

-- 
Tom Marchant

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