Experimental Physics and
Industrial Control System

Pierrick M Hanlet via Tech-talk <[email protected]> · Sat, 23 Feb 2019 13:27:35 +0000

Hi Bo,
I have frequently used the aSub record to do such things.
Cheers,
Pierrick

On 02/23/2019 04:34 AM, Sebastian Marsching via Tech-talk wrote:
> Hi,
>
>> I was wondering if it is possible to use the streamDevice framework 
>> to call a shell script on the IOC host and then process the output. 
>> That would be a very easy way to make simple connections to existing 
>> programs.
>>
>> What would be the best approach?
>>
> I know I am late to the party, but I still wanted to point you to a 
> solution that might fit exactly what you originally asked for.
>
> The Execute device support (https://github.com/KIT-IBPT/epics-execute) 
> does exactly that: It allows you to run a shell script (or any 
> executable for that matter) and makes the exit code and output 
> available in EPICS records.
>
> Whether this is the best solution for you, or the other solutions 
> (socket server with StreamDevice, Python scripts with pyDevSup) are 
> better for you of course depends on the details of your requirements.
>
> Cheers,
> Sebastian
>

-- 
Pierrick Hanlet
Fermi National Accelerator
Accelerator Front End Controls
+1-630-840-6577 -- lab
+1-312-687-4980 -- mobile

"Whether you think you can or think you can't, you're right" -- Henry Ford

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System