Thanks for all the answers so far. The 'doifelse' should do the trick. I
was hoping for a system macro, but if there is none, I have to program
it myself. :-)
Peter
Am 21.08.2012 08:56, schrieb Wolfgang Schuster:
>
> Am 21.08.2012 um 08:32 schrieb Procházka Lukáš <l...@pontex.cz>:
>
>>
>> On Mon, 20 Aug 2012 20:11:32 +0200, Sietse Brouwer <sbbrou...@gmail.com>
>> wrote:
>>
>>> Hi Peter,
>>>
>>> I recommend using the following handy little idiom:
>>> \ctxlua{commands.doifelse(-45 > 0)}{big}{small} % small
>>>
>>> It lets you do all sorts of things that are tricky in TeX:
>>> \ctxlua{ commands.doifelse( string.len( "-45" ) > 5 ) }{long}{short}
>>>
>>> Cheers,
>>> Sietse
>>
>> ... Has been wikified -
>>
>> "http://wiki.contextgarden.net/Command/doif…";
>
> For functions in the commands namespace you can write e.g.
> \ctxcommand{doifelse(…)}{…}{…} instead of \ctxlua{commands.doifelse(…)}{…}{…}.
>
> Wolfgang
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