weird bash behaviour in F13 with wildcards

[Joachim Backes]

On 05/12/2010 05:49 PM, Eric Blake wrote:
> On 05/12/2010 09:38 AM, Joachim Backes wrote:
>> Hi,
>>
>> the F13 bash seems to behave incorrect:
>>
>> If you have only the files a,B and z in some directory (not more), then
>> the command "echo [a-z]" only should echo the text "a z"
>> But the bash in F13 echoes the text: "a B z".
>
> That's an issue with your locale.  Probably between your upgrade from
> earlier Fedora to F13, your environment was changed to export
> LC_ALL=en_US or some such, whereas you were previously used to LC_ALL=C
> (or at least LC_COLLATE).
>
>>
>> I checked this in earlier Fedoras, there the behaviour is correct (as
>> described: echoes "a z").
>
> Correct is in the eye of the beholder.  This is a frequently reported
> non-bug, at least on the upstream bash list.
>
>>
>> Using zsh instead of bash in F13 echoes "a z" and not "a B z". That is
>> correct too.
>
> zsh doesn't follow collation rules when expanding [] globs; but bash
> does.  POSIX says that the expansion of [] outside of the C locale is
> implementation-defined, so either behavior is right.
>
>>
>> Anybody has an idea? Can this behavior depend on environment variables?
>
> Yes, it depends on the locale env vars.
>
>
Thanks: export LC_ALL=C;echo [a-z]
         echoes "a-z".

By default, in F13 I did not set LC_ALL to some value (but in F12, it is 
set to C).

Kind regards

Joachim Backes <joachim.backes at rhrk.uni-kl.de>

http://www.rhrk.uni-kl.de/~backes

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