Date: Thu, 7 Mar 2002 15:23:09 +0100 From: F.Xavier Noria <fxn@isoco.com> To: mpd <mpd6334@cs.rit.edu> Cc: freebsd-questions@FreeBSD.org Subject: Re: grep.... recursive searching Message-ID: <20020307152309.1dbb57cb.fxn@isoco.com> In-Reply-To: <20020307091002.A45751@rochester.rr.com> References: <20020307101335.6460.qmail@web20102.mail.yahoo.com> <20020307091002.A45751@rochester.rr.com>
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On Thu, 7 Mar 2002 09:10:03 -0500
mpd <mpd6334@cs.rit.edu> wrote:
: On Thu, Mar 07, 2002 at 02:13:35AM -0800, Bsd Neophyte wrote:
: >
: > I'm reading up on grep... (thanks for the explaining the find command...
: > that let me move forward)... and i've noticed that while you can search
: > for a "regular expression" (did I use that right?) there is no mention of
: > any ability to do a recursive search.
: >
: > i checked the man page and seached for the "regular expression" (this will
: > be on a quiz tomorrow... that's why i'm using it so much :D ) "recursive"
: > but nothing came up.
: >
: > is there some uncomplicated way of doing a recursive search with grep?
: >
: > -Sameer
: >
:
: I'm more curious of a way to make it recurse through all the
: directories, but only try to match on certain files.
: Is this even possible with this version of grep? The fm (of
: rtfm fame) isn't giving me any epiphanies.
The standard idiom for this is to filter the files you are interested in
with `find' and then pass the filenames to `grep'. For instace,
$ find . -name '*.lisp' | xargs grep TODO
would find occurrences of the string "TODO" in all lisp source files
below .. As was mentioned some hours ago in another thread, `find'
comes with a set of boolean operators to filter its output. They are
documented in its man page.
-- fxn
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