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From: "Drew Tomlinson" <drew@mykitchentable.net>
To: <smorton@acm.org>
Cc: <questions@FreeBSD.ORG>
References: <20011227172121.Q11529-100000@shumai.marcuscom.com> <014501c18f26$9d430970$c42a6ba5@lc.ca.gov> <3C2BB845.7070508@verizon.net>
Subject: Re: How To Recursively Search Directory For Text String In Files?
Date: Thu, 27 Dec 2001 16:28:14 -0800
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----- Original Message -----
From: "Simon Morton" <simon.morton@verizon.net>
To: "Drew Tomlinson" <drew@mykitchentable.net>
Cc: "Joe Clarke" <marcus@marcuscom.com>; <questions@FreeBSD.ORG>
Sent: Thursday, December 27, 2001 4:09 PM
Subject: Re: How To Recursively Search Directory For Text String In
Files?


> That won't quite do it if you want only the names of matching files.
> The following will do it for you without xargs:
>
> find <dir> -type f [-name <file name pattern] -exec grep -l <pattern>
{} \;
>
> which is almost the same as
>
> find <dir> -type f [-name <file name pattern] -exec grep -q <pattern>
{}
> \; -print
>
> grep -l prints out just the name of any file containing the pattern.
> grep -q prints nothing but returns 0 for matching files
>
> -exec is a conditional operator; if the command called by -exec
returns
> 0, -exec returns TRUE.  This can be useful if you wanted an action
> other than -print, say -delete for example.

Thank you for your additional explanation.  In this particular case it
didn't matter it I got only the names of the files or the names plus the
matches.  But I can see where only the file names might be needed in
some cases as in the -delete you mention.

Thanks for your help,

Drew

> HTH
> Simon
>
> Drew Tomlinson wrote:
>
>
> >>>
> >>You can do grep -r <pattern> *, but I prefer:
> >>
> >>find <directory> -type f -name <optional filename pattern> | xargs
> >>
> > grep
> >
> >><pattern>
> >>
> >
> > Thank you very much!  I *knew* it had to be possible but had not
come
> > across xargs yet.  It looks like a very powerful tool that will have
a
> > lot of uses!
> >
> > Drew
> >
> >
> >>For example:
> >>
> >>find /usr/ports -type f -name Makefile | xargs grep -i snmp
> >>
> >>This would search all Makefiles found anywhere in the /usr/ports
tree
> >>
> > and
> >
> >>grep case-insensitvely through them for the pattern "snmp".
> >>
> >>Joe
> >>
> >>
> >>>Thanks,
> >>>
> >>>Drew
> >>>
> >>>
> >>>To Unsubscribe: send mail to majordomo@FreeBSD.org
> >>>with "unsubscribe freebsd-questions" in the body of the message
> >>>
> >>>
> >>>
> >>
> >>To Unsubscribe: send mail to majordomo@FreeBSD.org
> >>with "unsubscribe freebsd-questions" in the body of the message
> >>
> >>
> >>
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-questions" in the body of the message
> >
> >
>
>
>
> --
> http://www.SimonMorton.com
> smorton at acm dot org
> \rm -rf /bin/laden
>
>


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