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MAINFRAME - TIP OF THE DAY : When you specified V for RECFM parameter, LRECL value is largest record in the file plus 4 bytes. These four bytes contain the actual length of each variable length record in the file

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Sumup of the fields in sort

 
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Cruise
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PostPosted: Fri Apr 21, 2006 8:05 pm    Post subject: Sumup of the fields in sort Reply with quote

hi,
please let me know...
in sort sumup will the truncatation will happen???

i have input file which contains 10 fields with 10 records.
i want the the output file with summed up the five amount fileds and control on five fields. when ever any change in the first five fields i wnat the sum for alll the similar records.
when it is summing up is there any truncation will happen in the oputput file or not.


bye,
Cruise.
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Frank Yaeger
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PostPosted: Fri Apr 21, 2006 10:19 pm    Post subject: Reply with quote

Let me explain by example. When you use DFSORT statements like this:

Code:

  SORT FIELDS=(6,3,CH,A)
  SUM FIELDS=(1,5,ZD)


for input records like this:

Code:

12345AAA
35218AAA
71234AAA


the first two records will be summed, but since the third record would cause the sum to overflow (that is, be greater than the 5 digits allowed for it), you will get an overflow message and the third record will be kept as is. So your output will be:

Code:

4756CAAA   
71234AAA   


You can use OVFLO=RC0, OVFLO=RC4 or OVFLO=RC16 to control what happens when you get an overflow. Overflow does not cause the values to be truncated, but it does cause values not to be summed.

You can avoid an overflow by using INREC to add zeros in front of the field to increase it's length.

If that doesn't answer your question, then please provide more details about what you want to know, preferably with examples.
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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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PostPosted: Mon Apr 24, 2006 6:01 pm    Post subject: Sumup of the fields in sort Reply with quote

Hi Frank,
Thanks for the reply.

i have one more doubt.
let me explain my problem with example.

i have input file with
SSN X(9)
AMOUNT S9(9) COMP-3

i want output file with sumup of the amount for the same SSN. and i want the all the records sum in one file.
so please tell me how to give the sort card


INREC = ????
SORT FIELDS = (1,9,CH,A)
SUM FIELDS=(10,5,PD)

regards,

Cruise
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Frank Yaeger
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PostPosted: Mon Apr 24, 2006 9:34 pm    Post subject: Reply with quote

Those are the correct control statements if your sum won't exceed 9 digits. If you're worried about your sum exceeding 9 digits, you can use these controls statements to add 2 extra digits of zeros at the start of the sum field to extend it from 5 bytes (max of 9 digits) to 6 bytes (max of 11 digits):

Code:

   INREC FIELDS=(1,9,10:X'00',11:10,5)
   SORT FIELDS=(1,9,CH,A)
   SUM FIELDS=(10,6,PD)


If you need even more digits, extend the PD values with more X'00' bytes in front.
_________________
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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PostPosted: Tue Apr 25, 2006 7:06 pm    Post subject: Sumup of the fields in sort Reply with quote

Hi Frank,

Thank you very much..


Regards,
Cruise.
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Frank Yaeger
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PostPosted: Tue Apr 25, 2006 8:40 pm    Post subject: Reply with quote

Glad I could help.
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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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