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| Dynamic Terminator Value |
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| nelson |
 Posted: Wed Jun 03, 2015 12:42 pm Post subject: Dynamic Terminator Value |
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Partisan
Joined: 02 Oct 2012
Posts: 313
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Hi all,
Is there any way to specify a dynamic quantity of spaces after a terminator string...? Something like this, but not fixed:
| Code: |
| MyTerminatorString%SP;%SP;%SP;...... |
Any idea?
Thanks in advance. |
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| iibmate |
| Posted: Wed Jun 03, 2015 3:04 pm Post subject: |
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Apprentice
Joined: 17 Mar 2015
Posts: 38
Location: Perth, WA
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| Use space() function in esql. |
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| kimbert |
| Posted: Thu Jun 04, 2015 12:53 am Post subject: |
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Jedi Council
Joined: 29 Jul 2003
Posts: 5542
Location: Southampton
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| Quote: |
| Use space() function in esql |
A poor question, and a wrong answer. The OP is trying to design a DFDL model for a data format. That should have been explained in the question.
The answer to the question is in the DFDL specification, section 6.3.1.3:
http://www-01.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.dfdl.spec.doc/dfdl_index.htm
Initiators,terminators and separators ( and a bunch of other properties ) are specified as 'DFDL string literals' which means that they describe one or more *literal* bytes or characters in the data.
You can specify
- a single space character using %SP;
- a single white space character using %WSP;
- one or more white space characters using %WSP*;
- zero or more white space characters using %WSP*;
Unfortunately, you cannot specify %SP+; or %SP*;. Those would probably be useful additions to the DFDL specification.
Summary: Best solution is probably MyTerminatorString%WSP*;
_________________
Before you criticize someone, walk a mile in their shoes. That way you're a mile away, and you have their shoes too. |
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| nelson |
| Posted: Thu Jun 04, 2015 6:35 am Post subject: |
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Partisan
Joined: 02 Oct 2012
Posts: 313
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| kimbert wrote: |
| Quote: |
| Use space() function in esql |
A poor question, and a wrong answer. The OP is trying to design a DFDL model for a data format. That should have been explained in the question.
The answer to the question is in the DFDL specification, section 6.3.1.3:
http://www-01.ibm.com/support/knowledgecenter/SSMKHH_10.0.0/com.ibm.dfdl.spec.doc/dfdl_index.htm
Initiators,terminators and separators ( and a bunch of other properties ) are specified as 'DFDL string literals' which means that they describe one or more *literal* bytes or characters in the data.
You can specify
- a single space character using %SP;
- a single white space character using %WSP;
- one or more white space characters using %WSP*;
- zero or more white space characters using %WSP*;
Unfortunately, you cannot specify %SP+; or %SP*;. Those would probably be useful additions to the DFDL specification.
Summary: Best solution is probably MyTerminatorString%WSP*; |
Thanks kimbert. That works for me. |
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