"GDGs can be members of PDS or PDSE." -I can't even guess what you're trying to say, but on the face of it, that's not only wrong, but absurd.
JCL provides no support at all for PDSE member generations. Support for PDSE as a member* of a GDG was added in z/OS 2.1 or 2, iirc. *(not to be confused with members of a PDS[E], but maybe they could have tried harder not to be confusing). So, you can have multiple generations of a PDSE, each of which has multiple generations of its members. Also of note, while GDGs usually consist of "generations" of the same dataset, there's no rule that says they must be. I once had to spend quite a bit of time removing from a utility program the assumption that all generations of a GDG were "alike". The documentation cited on (member) is about as confusifying as it possibly could be. To reiterate, members of a PDS[E} and "members" of a GDG have nothing to do with each other; just the conflation confusion of the same syntax in JCL, and the same terminology. Eons ago, the parentheses had yet another overload for some kind of ISAM thing, but at least they weren't called "members". sas ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
