[jbert]

See also CPAN's Acme::Bleach module (language written only in whitespace).

As a bonus, the Acme::Bleach module will take an existing perl program and convert it (overwrite it) with a version written in whitespace.

"The first time you run a program under use Acme::Bleach, the module removes all the unsightly printable characters from your source file. The code continues to work exactly as it did before, but now it looks like this:"

http://search.cpan.org/~dconway/Acme-Bleach-1.13/lib/Acme/Bl...

[draegtun]

Interesting & related post on Perlmonks yesterday... The History of Acme::Bleach and Acme::EyeDrops - http://www.perlmonks.org/?node_id=967004

Also relevant is Damian's Rod::Logic module. Unfortunately this hasn't reached CPAN (yet!) but examples can be found in his talks (for eg: http://blip.tv/open-source-developers-conference/temporally-...)