[metapost] nonstopmode interaction

[Taco Hoekwater]

On 10/13/2011 04:14 PM, Troy Henderson wrote:
> Is it possible to keep processing a MetaPost file even when errors
> occur?  For example, consider the following code:
>
> prologues:=3;
> verbatimtex
> %&latex
> \documentclass{minimal}
> \begin{document}
> etex
> beginfig(0);
>     draw origin--(144,0) dashed evenly;
>     label.top(btex Hello etex,origin);
>     label(btex $x axis etex,origin);
>     label.bot(btex World etex,origin);
> endfig;
> end
>
> Notice that the second label command has intentionally been made to
> cause an error.  Is there an interaction mode that will allow the draw
> command and the two error-free label commands to be processed so that
> the resulting figure shows all but the second label?

No. All labels are collected into a single TeX input file that is then 
processed, and the return value of that run is used to decide the 
validity of all labels.

Best wishes,
Taco