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How can I read the last record from a file...?


IBM Mainframe Forums -> DFSORT/ICETOOL
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svishnudas

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Joined: 02 Aug 2006
Posts: 4

PostPosted: Sat Oct 07, 2006 10:47 am
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I have number of records in my file... But I don't know how many records there are... In such a situation how can I access the last record directly..? Is it possible to read the last one without reading the previous ones...
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Alain Benveniste

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Joined: 14 Feb 2005
Posts: 88

PostPosted: Sat Oct 07, 2006 1:41 pm
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Code:

Is it possible to read the last one without reading the previous ones...

Sort products are not able to read records backwards so they cannot read the last one without reading the previous ones.

Alain
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guptae

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Joined: 14 Oct 2005
Posts: 1208
Location: Bangalore,India

PostPosted: Mon Oct 09, 2006 10:28 am
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Hi there,

Code:

  INREC FIELDS=(1,80,SEQNUM,8,ZD)     
  SORT FIELDS=(81,8,ZD,D)             
  OUTFIL ENDREC=1,OUTREC=(1,80)


Hope this will helpful
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Frank Yaeger

DFSORT Developer


Joined: 15 Feb 2005
Posts: 7129
Location: San Jose, CA

PostPosted: Mon Oct 09, 2006 8:43 pm
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Ekta,

Although that method does get the last record, it does NOT do what was asked for which is to read the last record without reading the previous ones. It does, in fact, read ALL of the records to get to the last one.
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