Re: [BUG] ob-maxima outputs linenum:0 in results on MacOS

[Benjamin McMillan <mcmillanbb@gmail.com>]

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The modified suggestion:
 (add-to-list 'org-babel-maxima--output-filter-regexps "(linenum:0,$")
also fixes the problem in the cases that I checked.

Benjamin

On Wed, Dec 18, 2024 at 10:06 AM Leo Butler <Leo.Butler@umanitoba.ca> wrote:

> On Tue, Dec 17 2024, Ihor Radchenko <yantar92@posteo.net> wrote:
>
> > Leo Butler <Leo.Butler@umanitoba.ca> writes:
> >
> >> Putting that into the batch file will result in it appearing in the
> >> output of the source-code block. We are trying to stop that.
> >
> > FYI, I have basically no experience with Maxima. So, I was simply
> > shooting in the dark. AFAIU, linenum:0 simply sets variable value. If
> > setting a value can be done from inside a script...
>
> To explain, Maxima keeps track of the "line numbers" of each complete
> input in the variable linenum. When it executes the batch script that
> Org sends it, that command is on line 1, so line numbering in the script
> would begin at 2. We set linenum to 0 so that the line numbering in the
> script starts at 1.
>
> >
> >> I think, if the above regexp works for Benjamin, then we should use
> >> it. The regexp only matches an incomplete (hence mal-formed) line of
> >> input, and so it can only match the errant output that Benjamin is
> >> seeing.
> >
> > Unless we find a better solution, I have no problem with it. It is just
> > that regexp filtering can cause issues, like what we keep seeing again
> > and again with prompt filtering in ob-shell.
>
> Agreed. One alternative would be to have Maxima add a command-line
> option that re-starts line-numbering in a batch file at line 1. That
> would not fix Benjamin's problem, in the short term, though.
>
> Leo

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