This post combines information from earlier posts including, Writing a Rexx Function in C Updated RxRandom External Rexx Function (in C) RxRandom Revisited — Metal C Catalog Search (IGGCSI00) From COBOL Processing a GDG in Any Order Using IGGCSI00 in COBOL Now we will build a Rexx function in C (Metal C) that uses the… Read More »
We know we can process an entire set of GDG datasets by allocating the GDG base name in the JCL So, for example, if we have a GDG with three generations, GDG Base: XXXXXXXX.TEST.GDG Generations: XXXXXXXX.TEST.GDG.G0001V00 XXXXXXXX.TEST.GDG.G0002V00 XXXXXXXX.TEST.GDG.G0003V00 We can refer to the most current generation with XXXXXXXX.TEST.GDG(0) or XXXXXXXX.TEST.GDG.G0003V00, the second with XXXXXXXX.TEST.GDG(-1), the… Read More »
IGGCSI00 is a callable subroutine to search the catalog. It is provided by DFHSMS and documented in Managing Catalogs. It can be used to search for dataset names, tape libraries and volumes (as cataloged in the DFSMS catalog, not CA-1 or some other catalog). There are some assembler and REXX samples in SYS1.SAMPLIB demonstrating how… Read More »