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| Dfdl |
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| Deepak.k |
 Posted: Thu Aug 18, 2016 10:49 pm Post subject: Dfdl |
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Novice
Joined: 18 Aug 2016
Posts: 22
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Hi guys,
I have a requirement where i have to parser 4 files using DFDL(fixedLength)
1.All files have Header,Body,Trailer and the issue i am facing is Initiator are different for each file .
If i doesn't use the concept using Intiator in dfdl property Trailer is appending to the body and parsering error occurs.
whether i have to use diiferent dfdl for each file or is there any solution for it.
(all the file are of same length only Initiator are different)
Please help me guys
waiting for your valuable replies..
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| mqjeff |
| Posted: Fri Aug 19, 2016 4:06 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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So you have four different files with four different formats.
And you're trying to model them all with a single DFDL?
There's no strong reason for doing that. Particularly if the contents of one file change later.
Otherwise, there's no difference in choosing one trailer over another than from choosing one row in the body from another or choosing one field in a row over another or etc. etc. etc.
How you do it is your choice, though.
_________________
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| shanson |
| Posted: Thu Aug 25, 2016 7:39 am Post subject: |
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Partisan
Joined: 17 Oct 2003
Posts: 344
Location: IBM Hursley
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| If you want a single DFDL model for all 4 formats, you can do that. Model the content as a choice, and if the content does not start with an initiator, try using a DFDL discriminator to distinguish between the 4 (that is, a DFDL annotation that uses a boolean expression to guide the parser). |
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