Date: Fri, 23 Jun 2006 15:13:21 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Florent Thoumie <flz@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/etc rc.subr src/share/man/man8 rc.subr.8 Message-ID: <20060623111321.GD75374@comp.chem.msu.su> In-Reply-To: <1150907029.3467.49.camel@mayday.esat.net> References: <200606210942.k5L9gtAi060504@repoman.freebsd.org> <1150883785.3467.4.camel@mayday.esat.net> <20060621105253.GE45947@comp.chem.msu.su> <1150887909.3467.18.camel@mayday.esat.net> <20060621113901.GG45947@comp.chem.msu.su> <1150890968.3467.39.camel@mayday.esat.net> <20060621122331.GI45947@comp.chem.msu.su> <1150907029.3467.49.camel@mayday.esat.net>
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On Wed, Jun 21, 2006 at 05:23:49PM +0100, Florent Thoumie wrote:
> On Wed, 2006-06-21 at 16:23 +0400, Yar Tikhiy wrote:
> >
> > BTW, grep can be emulated with /bin/expr if needed:
> >
> > _grep()
> > {
> > while read _line; do
> > [ `expr "$_line" : ".*$1"` != 0 ] && echo "$_line"
> > done
> > }
> >
> > Ditto for "grep -q".
>
> I guess we can even just use shell pattern matching with 'case'.
Some scripts use egrep patterns, e.g., `linux(aout|elf)', which are
problematic to handle even with expr, let alone shell.
--
Yar
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