Don't worry, I'm already thinking about other uses. :-) Thanks!
> Date: Tue, 28 Jul 2015 16:49:31 -0400 > From: [email protected] > Subject: Re: z/OS 2.2 announcement > To: [email protected] > > On 7/28/2015 4:27 PM, Frank Swarbrick wrote: > > I found this to be interesting, but I don't quite understand it: > > > > "z/OS V2.2 is designed to > > support a new IEFOPZxx parmlib member in which you can specify pairs > > of partitioned (PDS and PDSE) data sets. In each pair, you can specify > > one that is to be searched ahead of its counterpart data set when > > programs are fetched. This new function is intended to allow you to > > insert program libraries ahead of others in the link list, in STEPLIB > > and JOBLIB concatenations, and for LLA-managed libraries without making > > JCL changes. A new DISPLAY IEFOPZ command is designed to display information > > about existing pair definitions, and a SET IEFOPZ command is designed > > to allow you to add, remove, or change pair definitions dynamically. > > This is expected to be useful for activities such as converting application > > program libraries from PDS to PDSE, as is necessary for converting > > to COBOL V5 (5655-W32), without requiring JCL changes. Availability > > of these functions is planned for December 2015 with the PTF for APAR > > OA47689." > > > > Can someone "in the know" give an example of how this would work with > > JOBLIB or STEPLIB? > > > > Thanks! > > Frank > > > > Frank, > > IEFOPZxx allows you to define "pairs" of libraries, where the paired > library is concatenated ahead of the original. F'rinstance: > > //STEPLIB DD DISP=SHR,DSN=GOODOLD.COBOLPDS.LOADLIB > > In IEFOPZxx, we define DUMBNEW.COBOL5.PDSELOAD as a pair to > GOODOLD.COBOLPDS.LOADLIB. So whenever the system sees GOODOLD in a > STEPLIB or JOBLIB, allocation will automagically concatenate DUMBNEW > ahead of it, and VIOLA! Conversion to COBOL 5 PDSE's, without changing > the STEPLIB in thousands of jobs. No need to recompile everything at > once, you can phase in the new compiler. This also works great for new > ARCH levels, so if you have multiple CEC's, you can upgrade each CEC to > the new ARCH level, again without recompiling everything. > > There are other uses, but if I told you, I'd have to kill you. > > Regards, > Tom Conley > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
