Re: locale specific ordering in EN_US -- why is a<A<b<B<y<Y<z<Z?

[Chris F.A. Johnson]

On Mon, 21 May 2012, Linda Walsh wrote:

> Greg Wooledge wrote:
>
> > On Sun, May 20, 2012 at 11:36:35AM -0700, Linda Walsh wrote:
>
> > For instance, on HP-UX 10.20, in the en_US.iso88591 locale:
> >     A  a  ...  B  b
> > Meanwhile, on Debian 6.0, in the en_US.iso88591 locale:
> >     a A   ...  b B
> >
> > As you can see, the two en_US.iso88591 implementations are not the same.
>
> ----
>         Great!...
>
> So which is correct?
>
> Anyone wanting to reference an upper or lower case range
> [a-z] or [A-Z], is gonna hurt from this.

   Use the correct references: [:upper:] and [:lower:] or (as I do)
   always use LC_ALL=C in your scripts.

> My OS uses "en_US.UTF-8".

   My OS uses whatever I tell it to (which is C).

> You'd think unicode would have something to say about collation
> order that wouldn't allow such randomness, but maybe not.

--
   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)