🚀 go-pugleaf

In article <%oTL3.1530$_4.2805@newsfeeds.bigpond.com>, jywang@bigpond.com 
barfed...

> The requirement follows:
> "The server implements a simple Caesar-like cipher (an example of which is
> given in Tannenbaum, 3rd Edition, p582) on the usual set of alphabet and
> punctuation characters. All characters in this set are encoded by shifting
> their position by thirteen places -- hence this cipher is popularly called
> "rot13". Control characters need to be handled carefully, but (as a general
> rule) are not encoded and may be discarded by the client or server. Once
> again, some care needs to be taken in defining which characters can be
> removed and which cannot."
> more detail can be found at
> http://www.cse.unsw.edu.au/~cs9331/Assignments/project.html.
> 
> Any advice on how to implement this most appreciated.

EBG13 vf fvzcyr. Nyzbfg nal arjfernqre pna qb vg.

There are numorous ways to _implement_ ROT13 but the idea is simple. Get 
a character from a String, get the character 13 steps to the left and 
place it back. A -> N, B -> O, Z -> M.

You should be able to figure the algorithm out yourself.

Nils
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