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<Kristy>
posted
I have a data file that I have sorted by AcctNumber Descending TransxDate and TransxAmount such that the data is:
AcctNumber TransxDate TransxAmount
123 9/16 200
123 9/10 100
345 9/5 75
345 9/5 25
Now, I want to extract the first occurrence of each AcctNumber after I have sorted it. How do I use FST operator such that my results are:
AcctNumber TransxDate TransxAmount
123 9/16 200
345 9/5 75

Any suggestions? I'm not sure why the fst operator is not working.
 
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<kiddpete>
posted
According to the manual;

TABLE FILE whatever
SUM FST.TransxDate FST.TransxAmount
BY AcctNumber
END

Assuming that the file 'whatever' is physically arranged as you show it. Roll Eyes
 
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Tewy
Platinum Member
posted Hide Post
Perhaps it would be easier for you if you sorted

BY AcctNumber
BY HIGHEST 1 TransxDate

this will give you only one value per AcctNumber, that with the highest value of TransxDate, which I think from what you're saying is what you're after.

Regards

Tewy
 
Posts: 123 | Location: UK | Registered: October 09, 2003Report This Post
<Kristy>
posted
Thanks Tewy that worked
 
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