CFT: BSD-licensed grep [Fwd: cvs commit: ports/textproc/bsdgrep Makefile distinfo]

[Sean C. Farley]

On Mon, 16 Jun 2008, Dag-Erling Smørgrav wrote:

> Doug Barton <dougb at FreeBSD.org> writes:
>> Andrey Chernov <ache at nagual.pp.ru> writes:
>>> Please note that BSD grep is not localized (and can't be per design)
>>> and works only with standard C locale. It may not affect ports
>>> system processing but shurely affects real texts handling.
>> That is very troubling. In this day and age localization is a
>> requirement. I cannot imagine being supportive of adding something to
>> the base that does not have this capability.
>
> We don't have a locale-aware regex implementation.  Henry Spencer wrote
> one for Tcl 8, and it seems to be under an MIT-equivalent license, but
> I'm not sure how hard it would be to extirpate.  It might be easier to
> lift it from PostgreSQL, which also uses it.

Other BSD-license-friendly regex libraries:
1. PCRE (http://www.pcre.org/) (has a POSIX compliant interface too)
2. Oniguruma (http://www.geocities.jp/kosako3/oniguruma/) (from Ruby)
3. Lrexlib (http://lrexlib.luaforge.net/) (no apparent POSIX interface)

Sean
-- 
scf at FreeBSD.org