Re: Appending to existing records

["Cobb, Tom \(DLSLtd,RAL,LSCI\) via Tech-talk" <tech-talk at aps.anl.gov>]

Hi Andrew, Simon,

Thanks, this works perfectly.

Thanks,

Tom

---

From: Andrew Johnson <anj at anl.gov>
Sent: 10 March 2023 10:25
To: Simon Rose <Simon.Rose at ess.eu>; Cobb, Tom (DLSLtd,RAL,LSCI) <tom.cobb at diamond.ac.uk>; tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: Re: Appending to existing records

 

Asterisk ('*') is not actually a valid bare-word string character:

Cox$ bin/darwin-aarch64/softIoc -d ~/db/star.db
Error: Invalid character '*'
 at or before '*' in file "/Users/anj/db/star.db" line 2
Error: syntax error
dbLoadRecords: failed to load '/Users/anj/db/star.db'
Error: Failed to load: /Users/anj/db/star.db

You have to enclose it in double quotes, but Simon's response is otherwise correct, this works:

Cox$ cat ~/db/star.db
record(ai, "ai") { }
record("*", "ai") { }

- Andrew

On 3/10/23 10:14 AM, Simon Rose via Tech-talk wrote:

Hi Tom –

 

You can use

 

record(*, “MYRECORD”)

 

for that purpose.

 

Cheers,

 

Simon

 

From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of "Cobb, Tom (DLSLtd,RAL,LSCI) via Tech-talk" <tech-talk at aps.anl.gov>
Reply to: "Cobb, Tom (DLSLtd,RAL,LSCI)" <tom.cobb at diamond.ac.uk>
Date: Friday, 10 March 2023 at 11:09
To: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Subject: Appending to existing records

 

Hi all,

 

To avoid modifying upstream database templates, I would like to make a second template that appends to the existing records:

 

$ cat upstream.template

record(ai, "MYRECORD") {

  field(VAL, "1")

}

 

$ cat local.template

include "upstream.template"

record(ai, "MYRECORD") {

  info(archive, "VAL")

}

 

It would be nice to not have to repeat the type of the record in the second file. Is this possible? If not, could we add an "overload" or "existing" record type to they syntax that would allow this?

 

Thanks,

Tom

 

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