This is how we do it
DDCHK CLC TIOEFSRT,=AL3(0) Q. REAL UCB ADDRESS ?
BE DDBAD A. NO, BAD DD
We test for the presence of DD DUMMY concatenated in the middle of a
SORTIN concatenation in ICEIEXIT. If it is there, DFSORT drops all
records after DD DUMMY, and still finished RC(0)
_________________________________________________________________
Dave Jousma
Assistant Vice President, Mainframe Services
[email protected]
1830 East Paris, Grand Rapids, MI 49546 MD RSCB1G
p 616.653.8429
f 616.653.8497
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of J R
Sent: Friday, February 12, 2010 12:45 PM
To: [email protected]
Subject: Re: Determining if DUMMY allocation
> 1.) Scan the TIOT... finding your DDName...
If you're looking in the TIOT, what does TIOESTTB/TIOEFSRT show for a
DUMMY allocation?
> Date: Fri, 12 Feb 2010 10:46:36 -0500
> From: [email protected]
> Subject: Re: Determining if DUMMY allocation
> To: [email protected]
>
> Agreed Rob.
>
> However, to further respond to Charles' question, for a low overhead
or non-SVC solution,
>
> 1.) Scan the TIOT... finding your DDName...
> 2.) Use the SVA (SWAREQ) to find the JFCB
> 3.) The JFCB data set name contains "NULLFILE" for both NULLFILE and
DUMMY files.
>
> Tony Lubrano
> Product Author
> NEON Enterprise Software, LLC.
> p: 281 207 4922 f: 281 207 4973
> [email protected]
>
> What is zPrime? Find out at www.zprime.com or just ask us!
>
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Rob Scott
> Sent: Friday, February 12, 2010 9:07 AM
> To: [email protected]
> Subject: Re: Determining if DUMMY allocation
>
> Tony
>
> Minor niggle - but shouldn't that be? :
>
> DEVTYPE =CL8'MYDDNAME',OUTAREA
> IF (LTR,R15,R15,NZ)
> *** DD Not allocated ***
> ELSEIF (OC,OUTAREA,OUTAREA,Z)
> *** DD DUMMY SPECIFIED ***
> ENDIF ,
>
>
>
>
> Rob Scott
> Developer
> Rocket Software
> 275 Grove Street * Newton, MA 02466-2272 * USA
> Tel: +1.617.614.2305
> Email: [email protected]
> Web: www.rocketsoftware.com
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Tony Lubrano
> Sent: 12 February 2010 14:55
> To: [email protected]
> Subject: Re: Determining if DUMMY allocation
>
> Charles,
>
> You can do a DEVTYPE macro to determine if the file is DUMMY or
NULLFILE... the returned area is low-values:
>
> DEVTYPE =CL8'MYDDNAME',OUTAREA
> IF (LTR,R15,R15,NZ)
> *** DD Not allocated ***
> ENDIF ,
> IF (OC,OUTAREA,OUTAREA,Z)
> *** DD DUMMY SPECIFIED ***
> ENDIF ,
>
> OUTAREA DS D
>
> Tony Lubrano
> Product Author
> NEON Enterprise Software, LLC.
> p: 281 207 4922 f: 281 207 4973
> [email protected]
>
> What is zPrime? Find out at www.zprime.com or just ask us!
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Charles Mills
> Sent: Friday, February 12, 2010 8:46 AM
> To: [email protected]
> Subject: Re: Determining if DUMMY allocation
>
> > look in the TIOT
>
> Where?
>
> Charles
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Shmuel Metz (Seymour J.)
> Sent: Thursday, February 11, 2010 9:03 PM
> To: [email protected]
> Subject: Re: Determining if DUMMY allocation
>
> In <013801caab27$c57da320$5078e9...@org>, on 02/11/2010
> at 06:37 AM, Charles Mills <[email protected]> said:
>
> >Is there a way to determine if a DD statement has been allocated
DUMMY,
> >short of SVC 99 info retrieval?
>
> Before OPEN, use DEVTYPE or look in the TIOT.
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