On Mon, 17 Jan 2022 19:41:34 -0500, Tony Harminc wrote:

>On Mon, 17 Jan 2022 at 11:08, Seymour J Metz wrote:
>>
>> The ampersand for temporary dataset names is a JCL convention, not a TSO 
>> convention.
>
>Back in the late 1970s or maybe early 1980s there was a short-lived
>APAR "fix" that added support for using the ampersand to specify
>temporary datasets in IKJPARS. 
>
There's no need  for that.  One can create a temp data set simply by
omitting specification of DSNAME.

>    ... It was quickly withdrawn - I speculate
>because someone with the necessary design sense could see that there
>would be a near endless series of followon fixes to make everything
>work.
>
The challenge lies in creating dynamically the control blocks that the
converter would have creating statically; PASS; referback; ENQ; ...
What were they thinking?!  Maybe in JES 5.

But I want a way to rename/alias a DDNAME, scope within a step.

>Maybe one of our IBMers here could dig up that APAR or even comment on
>what happened.

-- gil

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