On 2015-05-05 12:50, Frank Swarbrick wrote:
> How many of these issues would be resolved if there was a new DISP option 
> that meant "delete this dataset if it already exists, and then allocate it as 
> new."?
> 
I'd prefer what many (most?) other OSes provide:  "use this data set if it
already exists, else create it and use it."

Of course, some purists would argue that if you don't know whether
a particular data set exists your process is out of control.  Tape
orientation.

-- gil

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