Re: case modification won't work with pattern

[Clark J. Wang]

On Fri, Mar 11, 2011 at 11:56 AM, Chris F.A. Johnson
<chris@cfajohnson.com>wrote:

>
>  I suggested using parameter expansion with patterns in
>  <http://lists.gnu.org/archive/html/bug-bash/2006-02/msg00020.html>:
>
> $ foo=bar
> $ echo ${foo^}  ## Convert first character
> Bar
> $ echo ${foo^^}  ## Convert all characters
> BAR
> $ echo ${foo^[a-m]} ## Convert first character that matches pattern
> Bar
> $ echo ${foo^^[a-m]} ## Convert all characters that match pattern
> BAr
>
>
This sounds more reasonable to me.


> --
>   Chris F.A. Johnson, <http://cfajohnson.com/>
>   Author:
>   Pro Bash Programming: Scripting the GNU/Linux Shell (2009, Apress)
>   Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
>
>
-- 
Clark J. Wang