On Tue, 18 Nov 2008, Hans Hagen wrote:
> Taco Hoekwater wrote:
>>
>> Aditya Mahajan wrote:
>>> Notice the first line of \ascii, and compare that with the definition of
>>> \doifelse. The command \!!stringa inside the definition of \doifelse gets
>>> expanded too soon. Is there any way to get this work, other than doing the
>>> comparison outside the MP code.
>>
>> Not with \doifelse. If the control sequences are as simple as in the
>> example, you could do the comparison in MP code:
>>
>> def doifelse (expr a, b)(text c)(text d) =
>> if a=b: c else: d fi
>> enddef;
>> draw doifelse("test")("string")(fullcircle)(fullsquare) scaled 5cm ;
>
> alternatively, in mkiv there is a fully expandable \expdoifelse but at
> the cost of lua call (\doifelse uses intermediate macros which is why it
> is not fully expandable)
I just did an expanded comparison outside metapost. It was much easier
that way.
Thanks,
Aditya
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