The following always worked for me:

\starttext
\startMPpage
.. metapost code ..
\stopMPpage
\stoptext

and delivered from a ConTeXt-run a separate pdf.

dr. Hans van der Meer


> On 21 Jan 2019, at 09:43, Henri Menke <henrimenke@gmail.com> wrote:
> 
> On 1/21/19 9:29 PM, Hans Hagen wrote:
>> On 1/21/2019 8:57 AM, Henri Menke wrote:
>>> Dear list,
>>> 
>>> When I process the short MetaFun example
>>> 
>>>      beginfig(1)
>>>      draw textext("MetaFun") ;
>>>      endfig;
>>>      end
>>> 
>>> with plain MetaFun, i.e.
>>> 
>>>      mpost '&metafun' test.mp
>>> 
>>> the resulting file only contains “unknown”.  How can I get the expected
>>> output?
>> context foo.mp
>> 
>> (in mkii one could use mptopdf but i have no interest in figuring out
>> some pure metapost solution when we can do the job with simple wrapping
>> in mkiv as mentioned)
> 
> I tried
> 
>    mpost '&metafun' test.mp
>    mptopdf test.1
> 
> and now I have a PDF which says “unknown“.  Maybe I didn't understand
> what you meant.
> 
> Cheers, Henri
> 
>> 
>> Hans
>> 
>> 
>> -----------------------------------------------------------------
>>                                           Hans Hagen | PRAGMA ADE
>>               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>>        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
>> -----------------------------------------------------------------
> 
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