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copying duplicates into another file

 
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nadh
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Joined: 08 Oct 2004
Posts: 192
Topics: 89
PostPosted: Wed Jun 15, 2005 6:22 am    Post subject: copying duplicates into another file Reply with quote
Hi, my requirement is to strip first 8 characters from flat file and eliminate duplicates and write the eliminated duplicates to another file.
I have written the following jcl by searching in the site.
Code:

//STEP0100 EXEC PGM=SORT                                     
//SYSOUT   DD SYSOUT=*                                       
//SORTIN   DD DSN=DFE.DB20342A.TS02613A.LOAD.APR1,           
//            DISP=SHR                                       
//SORTOUT  DD DSN=DFE.DB20342A.TS02613A.LOAD.TEMP,DISP=OLD   
//          DISP=(NEW,CATLG,DELETE),                       
//            UNIT=SYSDA,                                     
//            SPACE=(CYL,(1,1),RLSE)                         
//SYSIN    DD * 
  SORT FIELDS=COPY                                           
  OUTREC FIELDS=(9,145) 
  SUM FIELDS=NONE
/*
//                                 

Pls. suggest me whether it is correct. i did not code for copying duplicated to another file. pls. suggest me the step to do that.

thanks in advance
nadh.
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kolusu
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Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Wed Jun 15, 2005 6:29 am    Post subject: Reply with quote
Nadh,

Did you even bother to search before posting? It gets quite frustrating to remind even senior members to search before posting.

check these links

http://www.mvsforums.com/helpboards/viewtopic.php?t=8&highlight=duplicates

http://www.mvsforums.com/helpboards/viewtopic.php?t=431&highlight=duplicates

http://www.mvsforums.com/helpboards/viewtopic.php?t=1505&highlight=duplicates

Kolusu
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Frank Yaeger
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Joined: 02 Dec 2002
Posts: 1618
Topics: 31
Location: San Jose
PostPosted: Wed Jun 15, 2005 9:58 am    Post subject: Reply with quote
Quote:
suggest me whether it is correct.


No, it is not correct because you have SORT FIELDS=COPY. "Duplicate" records means that the records have the same value for the key. With SORT FIELDS=COPY, you're doing a copy operation, so there is no key. You need to use SORT FIELDS=(p,m,f,s) or MERGE FIELDS=(p,m,f,s) where p,m,f,s is the key which defines which records are duplicates.
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Frank Yaeger - DFSORT Development Team (IBM)
Specialties: JOINKEYS, FINDREP, WHEN=GROUP, ICETOOL, Symbols, Migration
DFSORT is on the Web at:
www.ibm.com/storage/dfsort
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