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

Subject: Re: EPICS_DB_INCLUDE_PATH
From: Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov>
To: Alfio Rizzo <Alfio.Rizzo at ess.eu>
Cc: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date: Tue, 14 Dec 2021 08:55:36 -0800
On 12/14/21 5:38 AM, Alfio Rizzo via Tech-talk wrote:
> ...
> /epicsEnvSet(//EPICS_DB_INCLUDE_PATH//, "/mypath/db:$(//EPICS_DB_INCLUDE_PATH//)")/
> 
> /dbLoadRecords(“mydb.db”)/
...
> What I have noticed is that doing that the EPICS_DB_INCLUDE_PATH variable get somehow truncated
> 
> (looking at the EpicsEnvShow)
> 
> and so the path to the db of module Z for instance can be lost.
> 
>  
> 
> I was wondering if this is a feature, meaning that EPICS_DB_INCLUDE_PATH should be never set in a snippet,

At least with current Base 7.0, neither epicsEnvSet() nor epicsEnvShow() should truncate.

You may be hitting the macro value length limit for the maclib parser.  Currently 256.
(this is known to be an issue with long PATH)


https://github.com/epics-base/epics-base/blob/1c3aa018464136a1d0f546ab4ed0b950610ae58e/modules/libcom/src/macLib/macLib.h#L37


> Since it is just and only the require module which should set it.
> 
>  
> 
> Thanks
> 
> Best
> 
> Alfio
> 
>  
> 
>  
> 
> ______________________
> 
>  
> 
> *Alfio Rizzo*
> 
> PhD / Control System Integrator / ICS HW&I Group
> 
>  
> 
> *European Spallation Source ERIC*
> 
> P.O. Box 176, SE-221 00 Lund, Sweden
> 
> Visiting address: Partikelgatan 2, 224 84 Lund
> 
> Mobile: +46 72 179 23 42
> 
> E-mail: alfio.rizzo at ess.eu <mailto:alfio.rizzo at ess.eu>__
> 
> ess.eu <ess.eu>__
> 
>  
> 
>  
> 


Replies:
RE: EPICS_DB_INCLUDE_PATH Alfio Rizzo via Tech-talk
References:
EPICS_DB_INCLUDE_PATH Alfio Rizzo via Tech-talk

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