From owner-cvs-all  Fri Sep 13  6:11:23 2002
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Date: Fri, 13 Sep 2002 23:15:56 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: Akinori MUSHA <knu@iDaemons.org>
Cc: Kris Kennaway <kris@obsecurity.org>,
	Maxim Sobolev <sobomax@FreeBSD.org>,
	"David E. O'Brien" <obrien@FreeBSD.org>,
	<cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org>
Subject: Re: cvs commit: src/etc newsyslog.conf
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On Fri, 13 Sep 2002, Akinori MUSHA wrote:

> At Thu, 12 Sep 2002 12:35:32 -0700,
> kkenn wrote:
> > > Is this really necessary? bzip2 is much more CPU/memory hungry, so
> > > that this change could really bite low-end machines.
> >
> > It's only a default..it can trivially be changed.  Compressing
> > logfiles is only done infrequently anyway, so it's not a heavy system
> > load.
> >
> > > What's the gain?
> >
> > Smaller logfiles, obviously.
>
> I'd note that our zgrep(1) does not support bz2 files nor have we
> something called bzgrep(1).  It is a mess that you can't do a grep
> over uncompressed files, gzip'd files and bzip2'd files at once.

Similarly for "less *".  It is a mess that users have to write their
own scripts to support various types of files, and that the scripts
have to exec a lot of processes to work right (they need approx. 1
`file' process for each file and one process for each file that needs
to be uncompressed).

> Do we have as handy a command as the following one that used to work
> before the switchover?
>
> $ zgrep foo messages*
>
> If not, I want bzgrep in the base..
>
> (bzcat messages* | grep foo is not an option because file names will
> be missing from the output)

Is this much of a problem?  It would be more of a problem that bzcat
doesn't work on plain "messages" (unlike zgrep).  "less messages* |
grep foo" can search all the files.

Bruce


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