Yes, I am fully aware that z/OS awk is not among the "blessed" utilities that 
officially support MVS dataset names.  I'm guessing that the underlying awk 
implementation is fortuitously using fopen() rather than open().  As long as it 
works I'll continue to use it.

If it ever fails I will use my employer's clout to complain loudly to IBM about 
it and then set up appropriate "cp //'$INPUT' to /tmp/input.file" and "cp 
//'$SCRIPT' to /tmp/script.file" steps just to get it working again.  And make 
my employer aware of the increased /tmp storage capacity increase that may be 
needed.

Given IBM's long and steadfast reluctance to break compatibility with whatever 
they implement in software the first time around it may never happen that it 
changes either.

And maybe Rocket will someday get a z/OS version of gawk out the door.  That 
would be a real blessing.

Peter

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Paul Gilmartin
Sent: Thursday, February 27, 2020 2:40 PM
To: [email protected]
Subject: Re: Rexx parse using period as placeholder

On Thu, 27 Feb 2020 18:25:03 +0000, Farley, Peter x23353 wrote:

>... examples from my employer's z/OS V2.2 system (sanitized):
>
>//AWKSPLIT EXEC PGM=BPXBATCH,MEMLIMIT2256M
>//STDENV   DD  *                          
>SCRIPT=TSOUSER.TEST.EXEC(AWKSPLIT)        
>INPUT=TSOUSER.TEST.CSV                    
>//STDPARM  DD  *                          
>SH echo awk -f "//'$SCRIPT'" "//'$INPUT'" 
>   ;        
I stand somewhat corrected -- you were not saying that regexen were available, 
but that awk is available in JCL.  In full pedant mode, awk can not appear in 
LINLIST nor in STEPLIB (unless you somehow relink it), so not available from 
JCL per se.
                              
>   awk -f "//'$SCRIPT'" "//'$INPUT'"      
>
Be careful with that construct.  Awk in not among the six listed in the Command 
Ref. Appendix K, "Utilities that support MVS data set names".  It may work by 
happenstance, but if it ever fails you will get no support.  I've had such 
things fail in code reviews; I wouldn't distribute them to customers.  (In one 
case, IBM satisfied an RCF by blessing my usage.)

BPXWUNIX might provide an alternative for a single input file, but not for the 
two you require.

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