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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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karthi5555
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Joined: 01 Dec 2015
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PostPosted: Wed Dec 02, 2015 12:27 am    Post subject: Sort help Reply with quote

can you please help with this sort situation.
Removing the duplicates within the group's 'DTL' record.

Please note:
1) The record must NOT be sorted i.e position should be kept
2) removal of duplicate within the HDR-DTL segment group only
3) number of HDR/DTL records are dynamic.

I tried traditional way of adding the SEQ-NBR to the end and removing duplicates - it did not work. Also, tried sort XSUM to get the duplicates and joining with original file even that did not work.

Any help/directions is highly appreciated.

Input file:

HDR837
DTL1234
DTL4567
DTL7890
DTL1234
DTL4567
HDR837
DTL4567
DTL1234
DTL4567
HDR837
DTL1234
HDR744
DTL9999

Expected output file:

HDR837
DTL1234
DTL4567
DTL7890
HDR837
DTL4567
DTL1234
HDR837
DTL1234
HDR744
DTL9999

Thanks,
Karthik.
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