how to use "maxima --batch" *reliably* ??

Maybe you should reconsider running maxima in batch mode.
Maxima, as designed, wants to be in charge, not called by other programs.
There are all kinds of problems that you haven't even considered that
come up when you use it as a batch program.


 

> -----Original Message-----
> From: maxima-bounces at math.utexas.edu 
> [mailto:maxima-bounces at math.utexas.edu] On Behalf Of Oliver Kullmann
> Sent: Tuesday, February 26, 2008 7:34 AM
> To: maxima at math.utexas.edu
> Subject: how to use "maxima --batch" *reliably* ??
> 
> Hello,
> 
> I want to use
> 
> maxima --batch=File
> 
> but I need to check automatically that no
> error occurred. Now unfortunately maxima
> does not use the return value (which is
> always 0, apparently completely un-bothered
> about the execution of File) --- I consider
> this as a bug?
> 
> Now how to do it otherwise?? Actually it seems
> impossible:
>  - communication to the outside world via setting
>    an environment variable does not work;
>  - so what remains is writing to some file
>  - HOWEVER how to trigger such an action???
> 
> The possibility to execute a file AND checking for errors
> seems very basic to me, so I hope somebody can tell
> me what to do here.
> 
> Thanks in any case!
> 
> Oliver
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