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jackare

New User


Joined: 27 Aug 2008
Posts: 33
Location: Brazil

PostPosted: Thu Nov 29, 2018 7:56 am    Post subject: Previous record x current record
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Hello!
I have a dsn SORTIN like:

Code:

001 100
002 005
003 125
004 500
007 250
008 010
010 001
100 020
128 120
129 012



Expected Output:

Code:

001 105
003 625
007 260
010 001
100 020
128 132



Explanation:
Layout
1,3 = ID
5,3 = Price

If ID of current record is equal ID of previous record plus 1 then sum two prices .
Sample:
SUM prices, sets: ( 1 , 2) = 105 and ( 3 , 5 ) = 625!

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Arun Raj

Moderator


Joined: 17 Oct 2006
Posts: 2481
Location: @my desk

PostPosted: Thu Nov 29, 2018 8:15 pm    Post subject:
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jackare,

I dont have Syncsort, but something like this should work for you.

- Set up groups of 2 records, Use WHEN=GROUP,RECORDS=2
- PUSH the ID of the 1st record onto the 2nd record.
- For each 2nd record in the group, Calculate the difference between the IDs and OVERLAY the ID at pos-1 with that from the 1st (PUSHed value), only when the difference between IDs is 1.
- Summarize the results in an OUTFIL (SECTIONS, TRAILER3..)

Good luck.
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