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Laterallly Merge Two Files using Sort


IBM Mainframe Forums -> DFSORT/ICETOOL
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ksouren007

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Joined: 30 Jun 2010
Posts: 85
Location: Toronto, ON

PostPosted: Mon Jun 09, 2014 4:19 pm
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Hi,

I have the following requirement.

FB,LRECL=20
File 1 : YYYY1-MM1-DD1YYYY2-MM2-DD2
FB, LRECL=8
File 2 : YYYY3MM3DD3 (There is no hyphen unlike File1)

Output:
FB, LRECL=20
YYYY2-MM2-DD2YYYY3-MM3-DD3

Assumptions: 1. There are no common keys in the two input files.
2. Both the input files would have only 1 record respectively.
Thus Output also would be of 1 record.

Please advise.
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 2672
Location: NYC,USA

PostPosted: Tue Jun 10, 2014 8:00 pm
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Sourean,

Did you try JOINKEY's options? and that can be found below?

ftp.software.ibm.com/storage/dfsort/mvs/sorttrck.pdf
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ksouren007

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Joined: 30 Jun 2010
Posts: 85
Location: Toronto, ON

PostPosted: Tue Jun 10, 2014 8:18 pm
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Rohit,

As there are no common keys in between the two files doing a cartesian join won't bring the resultant output in a single row (Lateral Merge) I think.

I was trying with ICETOOL copy and sorting by SEQNUM also tried with SPLICE but not achieving the desired result.

May be bcoz some arguments which I'm mentioning in the TOOLIN are not correct.
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daveporcelan

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Joined: 01 Dec 2006
Posts: 756
Location: Pennsylvania

PostPosted: Tue Jun 10, 2014 8:37 pm
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This seems like a perfect use for a Rexx program.

A very small one in fact.

However, none of your LRECL and actual data match.
You would need to correct that in your requirement.

Quote:
FB,LRECL=20
File 1 : YYYY1-MM1-DD1YYYY2-MM2-DD2
FB, LRECL=8
File 2 : YYYY3MM3DD3 (There is no hyphen unlike File1)

Output:
FB, LRECL=20
YYYY2-MM2-DD2YYYY3-MM3-DD3
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 2672
Location: NYC,USA

PostPosted: Tue Jun 10, 2014 8:51 pm
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Souren,

did you see the page # 19 "Cartesian join"? it should work.
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daveporcelan

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Joined: 01 Dec 2006
Posts: 756
Location: Pennsylvania

PostPosted: Tue Jun 10, 2014 9:10 pm
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This is untested, but should work.

You will need Batch JCL to run this Rexx.

Code:
/* REXX */

"EXECIO 1 DISKR FILE1 (FINIS)"
PULL DATA1
DATE2 = SUBSTR(DATA1,11,10)

"EXECIO 1 DISKR FILE2 (FINIS)"
PULL DATA2
YYYY = SUBSTR(DATA2,1,4)
MM   = SUBSTR(DATA2,5,2)
DD   = SUBSTR(DATA2,7,2)

NEW_RECORD = DATE2||YYYY||'-'||MM||'-'||DD
DATAB.1 = NEW_RECORD
"EXECIO 1 DISKW FILE3 (STEM DATAB. FINIS)"

EXIT
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Bill Woodger

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Joined: 09 Mar 2011
Posts: 7310
Location: Inside the Matrix

PostPosted: Wed Jun 11, 2014 12:19 pm
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If you don't have a key, you make one in the JNFnCNTL files. The same value, and then you have a match for JOINKEYS.

Fewer resources is to use the smaller file to generate a DFSORT Symbol on SYMNAMES in one small step, then a second step (equally small) to use the symbol generated to update the second file.
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