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HELP sort -build-

 
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theone1987

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Joined: 14 Sep 2009
Posts: 60
Location: Milan

PostPosted: Mon Nov 09, 2009 2:25 pm    Post subject: HELP sort -build-
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can someone explain me what doest it means?

Code:

 INREC IFTHEN=(WHEN=(147,1,CH,EQ,C'-'),                   
   BUILD=(1:62,40,41:122,10,51:166,10,61:153,10,290:C'1')),
  IFTHEN=(WHEN=NONE,                                       
   BUILD=(1:9,40,41:49,10,51:59,10,61:69,10,290:C'2'))     
 OUTFIL FNAMES=OUT,INCLUDE=(290,1,CH,EQ,C'1'),BUILD=(1,290)


tnks
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Frank Yaeger

DFSORT Moderator


Joined: 15 Feb 2005
Posts: 7130
Location: San Jose, CA

PostPosted: Mon Nov 09, 2009 10:49 pm    Post subject:
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I can tell you what the statements do, but without knowing what the input records look like, what you are trying to accomplish and what the expected output is, I can't tell you why those control statements are being used.

INREC statement: If position 147 has a C'-', do the first BUILD. Otherwise do the second BUILD.

BUILD: Creates a reformatted record from the input record.

c:p,m -> e.g. 41:122,10
c: -> the output position.
p -> the starting position of the input field
m -> the length of the input field

OUTFIL: If position 290 of the reformatted record has a C'1', write the record to the output file. Otherwise, discard the reformatted record.

This seems like an overly complex way to get the result. I would think that this would be better (unless there's something more going on then you're saying):

Code:

   INCLUDE COND=(147,1,CH,EQ,C'-')
   OUTFIL FNAMES=OUT,
      BUILD=(1:62,40,41:122,10,51:166,10,61:153,10,290:C'1')
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