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Sort - sequence number by key

 
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ark1208

New User


Joined: 01 Aug 2014
Posts: 1
Location: Hyderabad

PostPosted: Fri Aug 01, 2014 4:13 pm    Post subject: Sort - sequence number by key
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Please do not tag onto a four year old topic. Start a new one.
This has been split away from the original topic


How do I get sequence numbers within a group key

Input:

aaaaaaa
bbbbbbb
bbbbbbb
cccccccc
ddddddd
ddddddd
ddddddd
ddddddd
eeeeeee
eeeeeee
eeeeeee

Output: (Seq no should start from '1' when key changes)

aaaaaaa 0001
bbbbbbb 0001
bbbbbbb 0002
cccccccc 0001
ddddddd 0001
ddddddd 0002
ddddddd 0003
ddddddd 0004
eeeeeee 0001
eeeeeee 0002
eeeeeee 0003
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expat

Global Moderator


Joined: 14 Mar 2007
Posts: 8593
Location: Back in jolly old England

PostPosted: Fri Aug 01, 2014 4:29 pm    Post subject:
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1) As stated above - start a new topic.

2) Please use the SEARCH facility as this has been covered many times in the past for differing reasons.

3) Learn to use the code tags
Code:
[code]Your stuff goes here[/code]
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Bill Woodger

DFSORT Moderator


Joined: 09 Mar 2011
Posts: 7308

PostPosted: Fri Aug 01, 2014 4:41 pm    Post subject: Reply to: Sort - sequence number by key
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You go to the manual. You look in the index. You follow the references. You look to see that what you find does what you want. You code it and test it.

You will find it also possible with WHEN=GROUP, but since you only want plain sequence numbers within a key, it will be more efficient the other way.
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magesh23586

Active User


Joined: 06 Jul 2009
Posts: 159
Location: Chennai

PostPosted: Fri Aug 01, 2014 5:29 pm    Post subject:
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Try this untested.

Code:

OPTION COPY                                     
OUTREC FIELDS=(1,8,SEQNUM,4,ZD,RESTART=(1,7))   



Hope this helps..
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Bill Woodger

DFSORT Moderator


Joined: 09 Mar 2011
Posts: 7308

PostPosted: Fri Aug 01, 2014 6:41 pm    Post subject: Reply to: Sort - sequence number by key
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magesh23586,

That's roughly what I was getting at.

I am going to start a "Fields Box". This is like a "Swear Box". Every time someone uses INREC FIELDS, OUTREC FIELDS or OUTFIL OUTREC, they have to contribute a small amount of currency to the "Fields Box".

Also, clearer (to me) to use OVERLAY to append data to a record:

Code:
 OPTION COPY                                     
 INREC OVERLAY=(9:SEQNUM,4,ZD,RESTART=(1,7))
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