proposal for option to suppress input and output labels

Robert,

Both --noninteractive and --very-quiet would be very useful indeed.

What do you propose to do with error messages?

Chris


On Thu, 8 Feb 2007, Robert Dodier wrote:

> Hello,
>
> Recently on maxima-lang-fr someone wanted to run Maxima in a
> noninteractive mode to generate some stuff for further processing
> by another program. Toward this end he wanted a way to suppress
> the input and output labels. I'm pretty sure that would be useful to others.
>
> I propose that we invent a new command line option --very-quiet
> which suppresses input and output labels (and the banner message).
> Here is a possible implementation:
> http://maxima.sourceforge.net/misc/very-quiet.diff
>
> Ideally there would be a --noninteractive flag which would somehow
> disable asksign, in addition to suppressing the labels & banner.
>
> I wonder if --very-quiet or the would-be --noninteractive should also
> suppress echoing the input expressions, and just print the output,
> and maybe also print everything in 1-dimensional form.
>
> Comments?
>
> best,
> Robert
>
> PS. An example:
>
> $ cat << EOF > /tmp/1.in
>> a : 1;
>> b : x;
>> c : sin(u);
>> (a + b + c)^2;
>> expand (%);
>> EOF
> $ cat /tmp/1.in | sh maxima-local --very-quiet
>                                1
>                                x
>                             sin(u)
>                                        2
>                        (x + sin(u) + 1)
>          2                         2
>         x  + 2 sin(u) x + 2 x + sin (u) + 2 sin(u) + 1
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