Bash Question

[Paul Taylor]

Great site, thanks! I like Unix Shells By Example (covers C, Bourne, and 
Korn).

Anyone have a gmail invite they can forward me?

Thanks.

crash 3m wrote:

>Why buy the cow when you can get the milk for free? 
>
>http://jamesthornton.com/linux/abs-guide/
>
>
>On Thu, 14 Oct 2004 15:00:17 -0500, djgoku <djgoku at gmail.com> wrote:
>  
>
>>Hi Everyone,
>>
>>I am working on a bash script, and currently looking at examples. I
>>came across something I'm not sure what it means: if (( $? )); , the
>>double quotes and the $? is what I don't get. In the script there is
>>no variable set for ? so kinda lost.
>>
>>Possible info: Simply enclose the particular arithmetic expression
>>between a "$((" and a "))",
>>                    and bash will evaluate the expression.
>>
>>And also anyone have recommendation of a good bash scripting book.
>>
>>Learning the bash Shell, 2nd Edition?
>>
>>Thanks,
>>
>>--
>>dj_goku
>>-www.djgoku.com-
>>-www.tektronic.org-
>>_______________________________________________
>>Kclug mailing list
>>Kclug at kclug.org
>>http://kclug.org/mailman/listinfo/kclug
>>
>>    
>>
>
>
>  
>