Thanks Hans! I had forgotten about \enabletrackers[metapost.tracingall]. Best Wishes Keith On 07/01/2021 15:35, Hans Hagen wrote:

On 1/7/2021 4:11 PM, Keith McKay wrote:

...

In the MWE below I would expect the "show" command to print the value of p in the console output (I use Texworks), however this does not seem to be happening. I haven't used "show" in MetaFun for a while, am I implementing it correctly?

Best Wishes

Keith McKay

%%%%%%%% MWE %%%%%%%%%

\setuppapersize[A4, portrait]

\starttext

\startMPpage

StartPage;

width := PaperWidth ; height := PaperHeight ; unit := cm ;

numeric p;

p := 0;

for q = 0 step 1 until 10:

show p;

p := p + 1;

fill fullcircle xyscaled(3cm,4cm) shifted ((p +2)*cm, (p + 2)*cm) withcolor red ;

endfor;

StopPage;

\stopMPpage

\stoptext

\enabletrackers[metapost.tracingall]

but best use:

message(p);

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