Fix is at http://trac.sagemath.org/ticket/15791, needs review.



On Thursday, February 6, 2014 1:50:55 PM UTC, Volker Braun wrote:
>
> The problem is that Solaris sed is always broken in innovative new ways 
> and doesn't understand character classes.
>
> It seems that in Norwegian, "aa" is matched like a special character (one 
> of the weird a's, I guess) and therefore is not in the [a-z] range:
>
> $ export LC_COLLATE=nn_NO.utf8
> $ echo aa | sed 's/[^a-z]/*/g' 
> *
>
> $ export LC_COLLATE=C
> $ echo aa | sed 's/[^a-z]/*/g' 
> aa
>
>
>
> On Thursday, February 6, 2014 1:37:18 PM UTC, Vegard Lima wrote:
>>
>> On Thu, Feb 6, 2014 at 2:22 PM, Vegard Lima <[email protected]> wrote: 
>> > On Thu, Feb 6, 2014 at 2:07 PM, Volker Braun <[email protected]> 
>> wrote: 
>> >> This works for me on Fedora 20. Something must be wrong with your sed. 
>> What 
>> >> do you get for 
>> ... 
>> >> $ echo 5b5e732cd1eaa01bcfa2b47903ce6ea041a0fae3 | sed 
>> 's/[^0-9a-f].*//' 
>> >> 5b5e732cd1eaa01bcfa2b47903ce6ea041a0fae3 
>> > 
>> > Same sed version. Found the culprit: 
>> > 
>> > $ echo $LC_COLLATE 
>> > nn_NO.utf8 
>> > $ echo 5b5e732cd1eaa01bcfa2b47903ce6ea041a0fae3 | sed 's/[^0-9a-f].*//' 
>> > 5b5e732cd1e 
>>
>> This behaviour is apparently known: 
>> http://teaching.idallen.com/net2003/06w/notes/character_sets.txt 
>>
>> A safe alternative that should work independently of LC_COLLATE is this: 
>>
>> $ echo 5b5e732cd1eaa01bcfa2b47903ce6ea041a0fae3 | sed 
>> 's/[^[:xdigit:]].*//' 
>>
>> (see http://www.regular-expressions.info/posixbrackets.html) 
>>
>>
>> Thanks, 
>> -- 
>> Vegard 
>>
>

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