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Date:      Fri, 18 Aug 2006 09:35:08 -0500
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        Yar Tikhiy <yar@comp.chem.msu.su>
Cc:        Dag-Erling Sm?rgrav <des@des.no>, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org
Subject:   Re: cvs commit: src/etc rc.subr
Message-ID:  <20060818143508.GA2545@lor.one-eyed-alien.net>
In-Reply-To: <20060818143310.GA14203@comp.chem.msu.su>
References:  <200608181210.k7ICAIme084410@repoman.freebsd.org> <86ejvet9m6.fsf@xps.des.no> <20060818143310.GA14203@comp.chem.msu.su>

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On Fri, Aug 18, 2006 at 06:33:11PM +0400, Yar Tikhiy wrote:
> On Fri, Aug 18, 2006 at 04:13:37PM +0200, Dag-Erling Sm?rgrav wrote:
> > Yar Tikhiy <yar@FreeBSD.org> writes:
> > >   Log:
> > >   The ps(1) command is unfriendly to scripts by default because
> > >   it limits the width of its output to the value of $COLUMNS, or
> > >   what TIOCGWINSZ reports, or 79 columns.  We should specify -ww
> > >   to ps(1) so that it removes the limit and prints lines in full.
> > >   Otherwise very long command pathnames could be mishandled, e.g.,
> > >   by _find_processes().
> >=20
> > or perhaps _find_processes() should use pgrep(1) instead of ps(1).
>=20
> I considered that but had to stick to ps(1) because pgrep was in
> /usr/bin while ps was in /bin.  The use of /usr/bin tools should
> be very limited in rc.subr(8).  OTOH, pgrep uses /lib libs only,
> which makes it possible to transfer pgrep+pkill to /bin if we can
> stand the growth of / by some 50 kbytes.

I think that's appropriate since pgrep is such an obvious fit for this
sort of thing.  I think we'll want to consider compatability symlinks
due to existing hardcoded paths in scripts.

-- Brooks

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