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identify which records are spanned in VBS file

 
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Ajay Baghel

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Joined: 25 Apr 2007
Posts: 205
Location: Bangalore

PostPosted: Wed May 12, 2010 12:35 pm    Post subject: identify which records are spanned in VBS file
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Hi,

I have a VBS file. It has spanned records (this is shown in the output from the HISTOGRAM (an old utility from SYNCSORT), but i am not able to find exactly which records are spanned records.

Can anyone please help?

Thank You
Ajay
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expat

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

PostPosted: Wed May 12, 2010 3:06 pm    Post subject:
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What are the file attributes, RECFM & LRECL
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Robert Sample

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Location: East Dubuque, Illinois, USA

PostPosted: Wed May 12, 2010 5:09 pm    Post subject:
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The key question to me, is why on earth would you want to know this?

The RDW (Record Descriptor Word) at the front of each record is 4 bytes. The first two bytes are the length of the record. The second two bytes have, AFAIK, 4 possible values:
00 -- record begins and ends in the current block
01 -- record begins but does not end in the current block
02 -- record ends but does not begin in the current block
03 -- record neither begins nor ends in the current block

The 02 and 03 meanings may be swapped; it's been a long time since I looked at the manual that describes these fields.
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