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MAINFRAME - TIP OF THE DAY : When you specified V for RECFM parameter, LRECL value is largest record in the file plus 4 bytes. These four bytes contain the actual length of each variable length record in the file

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Count of records in the trailer sentence to be changed

 
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sathesh
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PostPosted: Thu Sep 25, 2008 8:02 pm    Post subject: Count of records in the trailer sentence to be changed Reply with quote

Can anyone help on the below requirement be achieved in only one step using JCL....

SORTIN - File format

1003
1005
1000
1006
1002
1002
1005
92008092500007 ---> Trailer count is 7


SORTOUT - File format (Expected)

1000
1005
1005
92008092500003 --> Trailer count should be 3 as per the condition in JCL

The trailer should be not generated in the JCL, it should be used as it is and only the count should be changed as per the condition in JCL, since there are lots of information available in trailer which is generated by the program.


I used the following JCL, but it shows syntax error on OVERLAY..... that the COUNT function is not possible with OVERLAY

Code:

//SORT1   EXEC PGM=SORT
//SYSOUT   DD SYSOUT=*
//SORTIN   DD DISP=SHR,DSN=XXXX.XXXX.XXXX
//SORTOUT  DD DSN=YYYY.YYYY.YYYY,
//            DISP=(OLD,CATLG,CATLG),
//            UNIT=DISK,
//            SPACE=(CYL,(2,1),RLSE),
//            DCB=*.SORTIN
//SYSIN    DD *
   SORT FIELDS=COPY
   INCLUDE COND=(((2,3,CH,EQ,C'005'),OR,(2,3,CH,EQ,C'000')),
   OR,(1,1,CH,NE,C'1'))
   INREC IFTHEN=(WHEN=(1,1,CH,NE,C'1'),
                OVERLAY=(10:COUNT-1=(ZD,LENGTH=5))
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Frank Yaeger
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Joined: 18 Feb 2006
Posts: 812
Location: San Jose, CA

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PostPosted: Thu Sep 25, 2008 8:28 pm    Post subject: Reply with quote

COUNT can only be used in TRAILERx.

Here's a DFSORT job that will do what you asked for. I assumed your input file has RECFM=FB and LRECL=80 but the job can be changed appropriately for other attributes.

Code:

//SORT1 EXEC PGM=SORT
//SYSOUT DD SYSOUT=*
//SORTIN DD DSN=...  input file (FB/80)
//SORTOUT DD DSN=...  output file (FB/80)
//SYSIN DD *
  SORT FIELDS=COPY
  INCLUDE COND=(2,3,SS,EQ,C'005,000',OR,1,1,CH,NE,C'1')
  OUTREC IFOUTLEN=80,
    IFTHEN=(WHEN=INIT,OVERLAY=(81:SEQNUM,5,ZD)),
    IFTHEN=(WHEN=(1,1,CH,NE,C'1'),
      OVERLAY=(10:81,5,ZD,SUB,+1,TO=ZD,LENGTH=5))
/*

_________________
Frank Yaeger - DFSORT Development Team (IBM) - yaeger@us.ibm.com
Specialties: JOINKEYS, FINDREP, WHEN=GROUP, ICETOOL, Symbols, Migration
=> DFSORT/MVS is on the Web at http://www.ibm.com/storage/dfsort
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sathesh
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PostPosted: Fri Sep 26, 2008 1:24 pm    Post subject: Reply with quote

Hi Frank,

Thanks a lot for reverting back quickly,,,, the solution which you gave is working fine as per my requirement and solved the purpose in time,,,,,

Have a nice day..
Sathesh
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academyindia4
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PostPosted: Mon Jan 25, 2016 10:36 pm    Post subject: Topic deleted by Admin Reply with quote

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