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Write a blank output record at a change of key

 
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NeilDev

New User


Joined: 20 Jan 2010
Posts: 5
Location: UK

PostPosted: Fri Feb 05, 2010 2:06 pm    Post subject: Write a blank output record at a change of key
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Hi,

I have the following input data:

James Smith 111111
Neil Smith 111111
Nigel Jonesa 222222
Nigel Jonesa 222222
Nigel Jonesb 222222
Richard Jones 333333

and would like to output a blank line at a change of key, so the data looks like this:

James Smith 111111
Neil Smith 111111

Nigel Jonesa 222222
Nigel Jonesa 222222
Nigel Jonesb 222222

Richard Jones 333333

Can anyone help please?
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Escapa

Senior Member


Joined: 16 Feb 2007
Posts: 1399
Location: IL, USA

PostPosted: Fri Feb 05, 2010 2:39 pm    Post subject:
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Below SORT step will give you required result...
Code:

//STEP10   EXEC PGM=SORT                         
//SORTIN       DD *                             
JAMES SMITH   111111                             
NEIL SMITH    111111                             
NIGEL JONESA  222222                             
NIGEL JONESA  222222                             
NIGEL JONESB  222222                             
RICHARD JONES 333333                             
/*                                               
//SORTOUT DD SYSOUT=*                           
//SYSOUT  DD SYSOUT=*                           
//SYSIN    DD  *                                 
  SORT FIELDS=(15,6,ZD,A)                       
  OUTFIL REMOVECC,SECTIONS=(15,6,TRAILER3=(80:X))
/*                                               
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NeilDev

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Joined: 20 Jan 2010
Posts: 5
Location: UK

PostPosted: Fri Feb 05, 2010 2:50 pm    Post subject: Reply to: Write a blank output record at a change of key
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Thankyou very much.
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Frank Yaeger

DFSORT Moderator


Joined: 15 Feb 2005
Posts: 7130
Location: San Jose, CA

PostPosted: Fri Feb 05, 2010 11:26 pm    Post subject:
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Here's a more general way to do this that doesn't require knowing the LRECL of the records:

Code:

  SORT FIELDS=(15,6,ZD,A)                     
  OUTFIL REMOVECC,SECTIONS=(15,6,SKIP=1L)     


Note that if the records are already in sorted order, it would be more efficient to use COPY rather than SORT.
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