On Sat, 28 Sep 2013 21:13:05 -0400, Shmuel Metz (Seymour J.) wrote: > >>IMASPZAP allows you to specify FORMAT4.DSCB as the (pseudo) data >>set name of a VTOC on a //SYSLIB DD statement so that you can >>display or even alter data within the VTOC using IMASPZAP, but >>that is unique to IMASPZAP. > >That's just a convenience; [A|I]MASPZAP changes it to 44X'04' in the >JFCB prior to the OPENJ. You could do the same thing if you chose. >IMASPZAP also modifies the DEB, and *that* requires authorization. > I believe that with JCL I could readily allocate and KEEP a data set with the actual name 'FORMAT4.DSCB' (but perhaps not catalog it). But is that a reserved name to IMASPZAP so I could not use IMASPZAP to operate on the actual FORMAT4.DSCB?
(And I still see no good explanation of why data set names beginning with a period are prohibited, at least by JCL.) -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
