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Reading a file using 'INTO' option.

 
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chandra k

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Joined: 29 Jan 2007
Posts: 2
Location: bangalore

PostPosted: Fri Feb 09, 2007 4:05 pm    Post subject: Reading a file using 'INTO' option.
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Hi all,
let us say if Iam reading a file (say xfile) of 192 bytes. The copybook has the following structure.

01 X pic x(192)

01 Y redefines X.
05 rectype pic X(2).
88 type1 value '01'.
88 type2 value '02'.
88 type3 value '03'.
05 recdata pic x(190).

Suppose if I have the statement
Read xfile into X
Then, can I issue a statement like
If type1 perform process-para.
My actual doubt is when we are reading into X can we check a record of Y but redefined to X ? Please clarify. thanks in advance.
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guptae

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Joined: 14 Oct 2005
Posts: 1187
Location: Bangalore,India

PostPosted: Fri Feb 09, 2007 4:12 pm    Post subject:
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Hi Chandra,

Yes u can .

Because the area occupied by a field in a COBOL layout can be re-used for different data by redefining the original field. This does exactly what it says -- it redefines the space used by a field for another use.
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arindam111

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Joined: 29 Nov 2006
Posts: 27
Location: India

PostPosted: Fri Feb 09, 2007 7:38 pm    Post subject:
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Of course you can.
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UmeySan

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Joined: 22 Aug 2006
Posts: 757
Location: Germany

PostPosted: Fri Feb 09, 2007 8:34 pm    Post subject:
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Hi !

You could also use:

Evaluate true
When Type-1 Perform Process-1
When Type-2 Perform Process-2
When Type-3 Perform Process-3
When Other Continue
End-Evaluate

Regards, UmeySan
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