Joined: 02 Dec 2002 Posts: 625 Topics: 175 Location: Stockholm, Sweden
Posted: Thu Jan 17, 2019 10:03 am Post subject: JOINKEYS with one dummy input file
This might (?) seem a strange request, but there's a logic to the madness.
Basically, we'll be running JOINKEYS at regular intervals in production.
Rather than (as I've seen) create one job for the first time step (with only one input file) and another job for the usual day-to-day running, I thought I'd create the one JCL whereby I can simply uncomment the day-to-day input file and delete the init file.
Joined: 01 Mar 2007 Posts: 475 Topics: 9 Location: Welsh Wales
Posted: Fri Jan 18, 2019 2:29 am Post subject:
TBH, as far back as I can recall I have always used some DCB parameters on a DD DUMMY, and that's going back to the 1970's _________________ If it's true that we are here to help others,
then what exactly are the others here for ?
The DFSORT Application Programming Guide suggests this:
Quote:
Data set characteristics: DFSORT accepts empty and null non-VSAM data sets,
and DUMMY data sets, for sorting and copying (be sure to supply RECFM, LRECL
and BLKSIZE).
............
DFSORT may set what it considers to be appropriate values for missing attributes
(RECFM, LRECL, BLKSIZE) of input data sets based on other attributes, or may
terminate due to a missing attribute. If a missing attribute results in termination, or
you don't want to use a missing attribute set by DFSORT, specify that attribute
explicitly (for example, specify RECFM=VB).
Could you not create an empty input generation for the first run, instead of changing the job?
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