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bug#6707: cut is not multi byte (wide char) aware

From: Eric Blake
Subject: bug#6707: cut is not multi byte (wide char) aware
Date: Thu, 22 Jul 2010 17:15:39 -0600
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On 07/22/2010 12:49 PM, Mihai Moldovan wrote:
> Hi,
> I have come to notice that cut is not yet multi byte/wide char aware.

Yes, and so are a lot of the coreutils.  This is a well-known issue, and
mentioned in the TODO.  Several distros have add-on patches that add
wide char support, but to date, no one has yet submitted a patch
upstream that is both easy to maintain (doesn't needlessly duplicate big
blocks of code over char vs. wchar_t) and which doesn't penalize speed
on single-byte locales.  We've got some ideas on what is needed, and
gnulib is certainly getting closer to what we need (Bruno's work on
libunistring will be a key player in an acceptable patch), but it takes
time to pull it all together.

> (Is this even considerable as a bug, or just a "feature" in that only
> one byte delimiters are allowed by default?)

Yes, it can be considered a bug, and any extra help would be welcome.
Unfortunately, to date there has been no one willing to step forward to
scratch this itch as their highest priority.

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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