I don't have a solution for the string comparison issue, but the DISP=NEW issue
I can tell you with confidence "just works" under JES2. For either a COND= or
an IF bypass of a step, all of the DD's are bypassed and no allocation error
occurs. I use this feature all the time in my testing.
For JES3 I'm not sure if it works the same, someone with JES3 experience will
have to advise you on that.
HTH
Peter
P.S. -- I tried the following trick for string compares but the return code is
still 0 and not 4 as one might hope:
// SET S1=ABCD
// SET S2=DEFG
//*
//TESTSTR EXEC PGM=AOPBATCH,REGION=32M,
// PARM='awk BEGIN {if ("&S1" == "&S2") exit 0; else exit 4}'
//STDOUT DD SYSOUT=*,RECFM=VA,LRECL=250,BLKSIZE=254
//STDERR DD SYSOUT=*
//STDIN DD DUMMY
//*
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Charles Mills
Sent: Friday, May 13, 2016 12:40 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Suggestion for conditioning step on symbols
I know this has been kicked around before but I don't have a good answer off
the top of my head and I don't know exactly how to Google for the answer.
Does anyone have suggestions for conditioning a jobstep on &symbol1 !=
&symbol2? I know that COND= and IF are only on return codes and similar things,
not character strings.
I could write Rexx that would compare two symbols (or evaluate a complex
expression) and set a return code -- is that the best approach? Or is there
something off the shelf that would have the same effect? I have a feeling
someone here knows a clever hack.
Complicating life is that part of what I need to bypass if &symbol1 ==
&symbol2 is a DD with DISP=NEW. Can IF bypass an entire step including DDs
(such that DISP=NEW for an existing dataset will not cause errors)? The
examples do not show that. If not, do I solve that by putting the DD (and EXEC
PGM=) in a PROC and IF/ELSE executing one of two alternative PROCs? Or ... ?
Charles
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