Re: {A..z} brace expansion in Bash 3

[Chet Ramey]

Oliver Kiddle wrote:

> It does things like this:
> $ echo {Z..a}
> Z [  ] ^ _ a

If you wish to shoot yourself in the foot, bash will not stop you.
It might even load the gun for you.  :-)

> How does it decide what characters are allowed. The following really
> looks like a bug to me:
> $ echo {Ä..D}
> That's accepted and produces output that seems to wrap round to ^A and
> then goes up to D. Note that I'm using an ISO-8859-1 locale. If that
> works at all, it should surely descend.

If the first number or letter in the sequence evaluates greater than
the second, it will descend.

Chet