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How to replace the first 10 records only thru batch file-aid

 
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baansal
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Joined: 05 Jun 2007
Posts: 5
Topics: 4
Location: bangalore
PostPosted: Mon Sep 01, 2008 8:22 am    Post subject: How to replace the first 10 records only thru batch file-aid Reply with quote
Hello,

I want to replace some value only in the first 10 records using file-aid. Can any one help me in this matter.
I m using the below replace query.
$$DD01 UPDATE REPL=(51,EQ,C'abcdef',C'000000')

The above query is replacing all the records where it is finding 'abcdef' to '000000'. Could any one tell me what I need to add in this to make it update only first 10 records meeting condition, rest remain intact.


Many thanks
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mf_user
Intermediate


Joined: 01 Jun 2003
Posts: 372
Topics: 105
PostPosted: Mon Sep 01, 2008 10:03 am    Post subject: FEW mistakes Reply with quote
Hi,

Few mistakes were there..Sorry....Now, corrected.

Code:

//STEP1   EXEC PGM=FILEAID
.
.
//DD01     DD  DSN=YOUR.DATASET.NAME,DISP=SHR
//DD01O    DD DSN=&TEMP1,DISP=(NEW,PASS,DELETE),
//            UNIT=SYSDA,SPACE=(TRK,(10,10),RLSE),
//            DCB=(LRECL=80,RECFM=FB,BLKSIZE=0)   
//*
//SYSIN    DD  *
$$DD01 COPY IF=(51,EQ,C'abcdef'),OUT=10
//*
//STEP2   EXEC PGM=FILEAID
.
.
//DD01     DD  DSN=&TEMP1,DISP=(OLD,PASS,PASS)
//DD01O    DD DSN=YOUR.OUTPUT.DATASET.NAME,
//            DISP=(NEW,CATLG,DELETE),
//            UNIT=SYSDA,SPACE=(TRK,(10,10),RLSE),
//            DCB=(LRECL=80,RECFM=FB,BLKSIZE=0)   
//*
//SYSIN    DD  *
$$DD01 COPY REPL=(51,EQ,C'abcdef',C'000000')
//*


Thanks.
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12376
Topics: 75
Location: San Jose
PostPosted: Tue Sep 02, 2008 10:34 am    Post subject: Reply with quote
baansal,

The following DFSORT JCL will give you the desired results. It uses DFSORT's new FINDREP function available with z/OS DFSORT V1R5 PTF UK90013 (July, 2008). I assumed that your input file length is 80 and is FB recfm.

Code:

//STEP0100 EXEC PGM=ICEMAN   
//SYSOUT   DD SYSOUT=*
//SORTIN   DD DSN=your input file,
//            DISP=SHR
//SORTOUT  DD DSN=your output file,
//            DISP=(NEW,CATLG,DELETE),
//            UNIT=SYSDA,
//            SPACE=(CYL,(X,Y),RLSE)
//SYSIN    DD *                                                   
  SORT FIELDS=COPY                                                 
  INREC IFOUTLEN=80,                                               
        IFTHEN=(WHEN=INIT,OVERLAY=(81:SEQNUM,8,PD)),               
        IFTHEN=(WHEN=(81,8,PD,LE,10),                             
        FINDREP=(IN=C'ABCDEF',OUT=C'000000',STARTPOS=51,ENDPOS=56))
/*


For complete details on the new FINDREP function and the other new functions available with PTF UK90013, see:

www.ibm.com/systems/support/storage/software/sort/mvs/ugpf/

Hope this helps...

Cheers
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mf_user
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Joined: 01 Jun 2003
Posts: 372
Topics: 105
PostPosted: Thu Sep 04, 2008 4:43 am    Post subject: SYNCSORT solution for this! Reply with quote
Hi,

It will be very interesting to know SYNCSORT solution for the same.

Thanks.
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