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MAINFRAME - TIP OF THE DAY : When you use COUNT operator to set a return code of 12 or 4 if a specified data set is EMPTY, NOTEMPTY, HIGHER(n), LOWER(n), EQUAL(n) or NOTEQUAL(n). where n is a specified number of records. If you use the RC4 operand, SORT sets RC=4; otherwise it sets RC=12. E.g. COUNT FROM(IN) EMPTY

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Sort Multiple file with Diff LRECL's

 
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hparthas
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Joined: 21 Oct 2010
Posts: 41

PostPosted: Tue Oct 11, 2011 10:45 pm    Post subject: Sort Multiple file with Diff LRECL's Reply with quote

Hi All,

I have a requirement and I have to do this in different steps, is there any way that we can do this in a single SORT STEP.

Requirement:

1) 11 input files and all are different LRECL.
2) My sort key for all 11 diffferent file are @ different positions.
3) Currently 11 output files are created since I have done it in different steps.
4) Can I merge all the 11 different files, into a single VB file, so that I can avoid space issue. Since I will huge data in my input file.

Below are the file input specifications.

Code:
File Name   Record Format   LRECL   Key Field

Inp File1 -    FB      100   From 10 - 12
Inp File2 -    FB      200   From 110 - 112
Inp File3 -    FB      300   From 16 - 18
Inp File4 -    FB      400   From 67 - 69
Inp File5 -    FB      500   From 34 - 36
Inp File6 -    FB      600   From 99 - 101
Inp File7 -    FB      700   From 58 - 60
Inp File8 -    FB      100   From 87 - 89
Inp File9 -    FB      600   From 21 - 23
Inp File10 -    FB      300   From 11 - 13
Inp File11 -    FB      400   From 44 - 46


My O/p file should be a VB file, and maximum LRECL of 700.

Any help would be great.

Many thanks in advance.

Regards,
HK
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Frank Yaeger
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Joined: 18 Feb 2006
Posts: 812
Location: San Jose, CA

PostPosted: Tue Oct 11, 2011 11:00 pm    Post subject: Reply with quote

For a single SORT, the keys must all be in the same position. Since your keys are in different positions, you would have to create a "normalized" key for each file before you can sort them. For example, you can make a copy of the key from each file after the RDW, the sort on that key, and then revmove it.

You can't do that in a single pass. Of course, you could do it in a single step with multiple passes using DFSORT's ICETOOL.
_________________
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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hparthas
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Joined: 21 Oct 2010
Posts: 41

PostPosted: Wed Oct 12, 2011 4:16 pm    Post subject: Reply with quote

Frank,

Thanks a lot for your help in this.

Have moved all the key fields to a particular position and then sorted the complete file.

Thanks,
HK
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