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| Mixing order in DFDL fixed length segments |
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| deecee |
 Posted: Wed Jun 15, 2016 9:40 am Post subject: Mixing order in DFDL fixed length segments |
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Acolyte
Joined: 11 Sep 2014
Posts: 51
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Hello, IIB v9.0
I have a scenario where the input is a fixed length file, in which each line is a different segment(BUYR, SELR in the below example) followed by data. For example.
--file begin--
BUYR 123US 560010<CR><LF>
SELR India456789456 1111<CR><LF>
--file end--
I have created a DFDL to handle this sample, I am trying to use the same DFDL for different applications with similar data.
But the problem is, the other applications have the order slightly misplaced i.e. they have SELR as first segment and BUYR after.
Is there anyway I can make the DFDL flexible so the order of these segments won't matter and it'll parse it correctly in any order? |
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| Vitor |
| Posted: Wed Jun 15, 2016 9:42 am Post subject: Re: Mixing order in DFDL fixed length segments |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| deecee wrote: |
| Is there anyway I can make the DFDL flexible so the order of these segments won't matter and it'll parse it correctly in any order? |
Model it such that it's a choice for BUYR or SELR and parses appropriately
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| deecee |
| Posted: Wed Jun 15, 2016 9:57 am Post subject: |
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Acolyte
Joined: 11 Sep 2014
Posts: 51
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But with choice, it's only expecting one of the two segments. I need both the segments to be present.
And this is just an example, in the real scenario I have around 10 segments all of which are optional and could come in different orders. |
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| mqjeff |
| Posted: Wed Jun 15, 2016 10:11 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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So you need a repeating choice.
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chmod -R ugo-wx / |
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| deecee |
| Posted: Wed Jun 15, 2016 10:15 am Post subject: |
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Acolyte
Joined: 11 Sep 2014
Posts: 51
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| yes, the repeating choice worked. Thank You! |
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