You must be at the wrong website. This site is about the language Perl (which doesn't have "null"s nor "NULL"s). Pearl can be found at http://people.ku.edu/~nkinners/LangList/Langs/P/PEARL[1].htm, http://people.ku.edu/~nkinners/LangList/Langs/P/PEARL[2].htm, http://people.ku.edu/~nkinners/LangList/Langs/P/PEARL[3].htm, and http://people.ku.edu/~nkinners/LangList/Langs/P/PEARL[4].htm (4 different languages).

(I'd normally make them links, but [ ] doesn't seem to like nested brackets, and I can't get perlmonks to recognize <a href = "foo">bah</a> as an HTML element.)

Abigail