Maybe somebody knows a good Bourne Shell book or tutorial?

[Ralf Mardorf]

I heard that this should be one of the good explanations, but didn't use
it myself:

Advanced Bash-Scripting Guide
http://tldp.org/LDP/abs/html/

Hth,
Ralf

-- 
"Pull a Homer -- to succeed despite idiocy." - The Simpsons