Am 11.11.2015 um 05:16 schrieb Ulrich Mueller:
>>>>>> On Tue, 10 Nov 2015, Mike Frysinger wrote:
>
>> Arfrever highlights these are not even safe to use. bash is locale aware,
>> so it'll apply LC_COLLATE rules when processing the ^/, casemods. while
>> you can fix this with external programs ala:
>> LC_COLLATE=C tr ...
>
>> you can't do it with inline code like:
>> LC_COLLATE=C SRC_URI=".../${PN^^}/..."
>
>>>>>> On Tue, 10 Nov 2015, Mike Frysinger wrote:
>
>> sorry, i meant char classification here (LC_CTYPE), not collation.
>
> Shouldn't these be safe to use if the string consists purely of ASCII
> characters? I mean, A-Z and a-z should be uppercase and lowercase,
> respectively, in any locale?
Unfortunately, no (have been bitten by this issue already some years ago):
$ echo $LC_ALL
tr_TR
$ f=i; echo ${f^^}
İ
$ f=I; echo ${f,}
ı
- René
