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<== Date ==> <== Thread ==>

Subject: Re: Dump record fields into a text file
From: Luedeke Andreas <[email protected]>
To: Andrew Johnson <[email protected]>
Cc: [email protected]
Date: Fri, 30 Apr 2010 12:12:26 +0200
Andrew Johnson wrote on 30/04/10 00:24:
> On Thursday 29 April 2010 17:07:35 [email protected] wrote:
>   
>> Is there a way to dump the value of records into a text file?
>> i.e. dump the value of the PREC,EGU,DTYP,DESC fields of all records?
>>     
> >From the ioc shell:
>     dbl * "PREC EGU DTYP DESC" > file.txt
>
> You'll have to adjust that slightly (double-quote the asterisk and add a comma 
> between the arguments) if you're on vxWorks.
>   
Just be aware of a minor pitfall:
if one of the fields does not exist for one of your records, it will be
just missing in the output.
E.g.

    dbl * "RTYP PREC EGU DTYP DESC"

    test:1,"bi","Soft Channel","desc of test:1"
    test:2,"calc","1","unit","","desc of test:2"
    test:3,"longout","unit","Soft Channel","desc of test:3"

So if you want to parse the output, it's saver to generate extra files
for each field that is not common to all records. (Note: 'calc' records
have a DTYP field, it just happens to be always NIL)

Andreas

-- 
She often gave herself very good advice (though she very seldom followed
it).
                -- Lewis Carroll


Replies:
Re: Dump record fields into a text file Andrew Johnson
References:
Dump record fields into a text file emmanuel_mayssat
Re: Dump record fields into a text file Andrew Johnson

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