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Re: awk gsub problem
On 2010-09-19 20:33Z, Lee wrote:
>
[...awk character ranges are locale-sensitive...]
>
> Was the reply from the upstream maintainer answered on a mailing list?
> (& if so, which one?) I'd like to understand the problem they're
> solving.. I get the idea of "[[:lower:]]" working regardless of
> collating order of the current char set, but how "[a-z]" gets
> translated to something like "[aAbBcCdD...zZ]" boggles my mind. It
> seems like they had to have gone out of their way to translate [a-z]
> into a case-insensitive RE.
Discussed here:
http://www.gnu.org/manual/gawk/html_node/Character-Lists.html#Character-Lists
And here's the same 'aAbBcC' question for 'ls' on solaris:
http://groups.google.com/group/comp.unix.solaris/browse_thread/thread/8526e1b6eb18fb31/
It's not specific to gawk.
> --traditional
> Traditional Unix awk regular expressions are matched. The GNU
> operators are not special, interval expressions are not available, and
> neither are the POSIX character classes ([[:alnum:]] and so on).
That option doesn't override the locale; to do that, see:
http://www.gnu.org/manual/gawk/html_node/Locales.html#Locales
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