Current Perl implementations are:
It is with great pride that I present to you that crucial utility, without which you cannot get any real work done, banner. I have gzipped and encoded it because it has got a big data table.It is a fairly straight translation from C. Because I consider it a modification of the BSD source code, I have retained the complete BSD copyright and license. If this is unacceptable for the PPT, then so be it, and I wish you a fun few hours in re-implementing it from scratch.
I now await Abigail's 3-line hack, featuring kerning and auto-hyphenation.
Baseline documentation: