[texhax] ifthen functionality for plain TeX

[Aditya Mahajan]

On Mon, 4 Aug 2008, Eduardo M KALINOWSKI wrote:

> Alexander Grahn wrote:
>> Hi,
>>
>> is there a way to get the functionalty of the LaTeX package `ifthen' in
>> TeX too? I am particularly interested in negating and combining boolean
>> expressions using \NOT, \AND, \OR.
>>
>> It is surprising that TeX doesn't provide this functionality by itself,
>> as building complex conditional expressions is quite a common task and
>> even the most ancient and most primitive higher programming languages
>> provide the means for doing such things.
>>
> TeX is not a programming language. :-)  (Though many people have used it
> as one.)

Well if you can program a Mars rover in TeX, you can do almost anything 
:-)

http://sdh33b.blogspot.com/2008/07/icfp-contest-2008.html

Aditya