Re: good book in tcsh shell programming.

[Shachar Shemesh]

yahav Biran wrote:

Hi,
Does any body know a good book with examples for learning tcsh.
First, I don't think there is such a thing as "tcsh programming". I'm 
not aware that programming tcsh is, in any way, different than 
programming csh. You are far more likely to find what you need by 
searching for "C-Shell programming".
 I would like
to learn the benefits of using it by scripting such as: variables and
arithmetic, looping, functions and other stuff.
  
At the risk of starting a flame war, why not study bourne shell 
programming instead?

The way I see it is this. If you want to do any amount of serious 
scripting, shell scripting is not the right tool for the job. It's too 
easy to get security problems due to non-standard file names and 
wildcard expansions. If you want to code large code segments, use perl, 
python etc.

Which leaves shell scripting for one of two things:
1. Small scale programming
2. Programs intended to run on systems where perl/python may not be 
installed.

For 1, it doesn't really matter. For 2, bourne shell is much more likely 
to be around than csh.

That aside, csh has some serious down sides for serious programming, 
with some constructs (especially having to do with complicated 
redirections) simply not being possible. For that reason alone, if you 
have to learn something, learn bourne shell.
Thanks
yahav
  
Shachar

--
Shachar Shemesh
Lingnu Open Source Consulting ltd.
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