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Copy all the 3 GDG generations to an output dataset

 
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mudunuga

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Joined: 25 Jul 2008
Posts: 1
Location: Mumbai

PostPosted: Sun Aug 17, 2008 1:24 am    Post subject: Copy all the 3 GDG generations to an output dataset
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My GDG has 3 generations,
test.gdg------------base
test.gdg.g0001v00
test.gdg.g0002v00
test.gdg.g0003v00

If I use below JCL then what will happen
exec pgm=iebgener
SYSUT1 DD DSN=TEST.GDG,DISP=SHR
SYSUT2 DD DSN=TEST.OUTPUT,DISP=(NEW,CATLG,CATLG)

Is that copy all 3 generations to the output dataset?
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PeD

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Joined: 26 Nov 2005
Posts: 456
Location: Belgium

PostPosted: Sun Aug 17, 2008 1:42 am    Post subject:
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The best way to know it is to try it. No?

Remember Edison....
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Robert Sample

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Joined: 06 Jun 2008
Posts: 8057
Location: East Dubuque, Illinois, USA

PostPosted: Sun Aug 17, 2008 1:44 am    Post subject:
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From the JCL reference manual, if you omit the generation number:
Quote:
A DD DSNAME parameter that requests all members of a generation data group (GDG). The system retrieves the data-set-sequence-number from the catalog.
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expat

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Joined: 14 Mar 2007
Posts: 8593
Location: Back in jolly old England

PostPosted: Sun Aug 17, 2008 2:45 pm    Post subject: Re: Copy all the 3 GDG generations to an output dataset
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mudunuga wrote:
If I use below JCL then what will happen
exec pgm=iebgener
SYSUT1 DD DSN=TEST.GDG,DISP=SHR
SYSUT2 DD DSN=TEST.OUTPUT,DISP=(NEW,CATLG,CATLG)

You would probably get a few error messages for missing DD statements
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gcicchet

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Joined: 28 Jul 2006
Posts: 1703
Location: Australia

PostPosted: Sun Aug 17, 2008 3:10 pm    Post subject:
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Hi,

just to add to what Robert said, the latest generation is read first.


Gerry
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krithikaj

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Joined: 10 Aug 2008
Posts: 45
Location: India

PostPosted: Mon Aug 18, 2008 3:53 pm    Post subject: Copy all the 3 GDG generations to an output dataset
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Hi,

If you are searching for the JCL, check this out.

//STEP010 EXEC PGM=SORT
//SYSOUT DD SYSOUT=*
//SYSPRNT DD SYSOUT=*
//SYSUDUMP DD SYSOUT=*
//SORTIN DD DSN=TEST.GDG(0),DISP=SHR
// DD DSN=TEST.GDG(-1),DISP=SHR
// DD DSN=TEST.GDG(-2),DISP=SHR
//SORTOUT DD DSN=TEST.OUTPUT,
// DISP=(OLD,CATLG,KEEP),
// UNIT=SYSDA,
// SPACE=(CYL,(400,600),RLSE),
// DCB=(RECFM=FB)
//SYSIN DD *
SORT FIELDS=COPY
/*

Regards,
KJ
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dbzTHEdinosauer

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Posts: 6967
Location: porcelain throne

PostPosted: Mon Aug 18, 2008 5:15 pm    Post subject:
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http://ibmmainframes.com/faq.php?mode=bbcode
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dick scherrer

Site Director


Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Mon Aug 18, 2008 8:27 pm    Post subject:
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Hello,

Quote:
If you are searching for the JCL, check this out.
Is there some reason you posted this jcl when the original jcl does what was required?

The original request was to copy all generations and the original jcl does this.

Also, please learn to use the "Code" tag as suggested. It will make your jcl, control statements, and data much easier to read. You can also use Preview to see how your post will appear to the forum (rather than how it looks in the Reply editor) before you Submit. After you Preview, make sure you click Submit or your post is lost (done that a few times icon_confused.gif ).
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