Date: Thu, 23 Sep 2004 18:00:48 -0400 From: Richard Coleman <rcoleman@criticalmagic.com> To: John Baldwin <jhb@FreeBSD.org> Cc: David O'Brien <obrien@FreeBSD.org> Subject: Re: Could ARG_MAX be increased? Message-ID: <41534790.1000702@criticalmagic.com> In-Reply-To: <200409231544.32001.jhb@FreeBSD.org> References: <b34be84204092304456066b0a0@mail.gmail.com> <b34be84204092312336001936a@mail.gmail.com> <20040923193720.GB10928@hub.freebsd.org> <200409231544.32001.jhb@FreeBSD.org>
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John Baldwin wrote:
>>>> how about grep -r ou find | xargs grep !
>>>
>>> How does that work, out of curiosity?
>>>
>>> You can use the -exec feature of 'find' other wise -
>>>
>>> find . -type f -exec grep "something" {} /dev/null \;
>>
>> Using the '-exec' feature of 'find' fork+exec for *every* file
>> found. Using xargs reduces the number of fork+exec by the number of
>> filenames that fit on the command line. So it runs much quicker.
>
>
> 'grep -r .' even quicker. :)
>
I've been using the following for many moons. It works on just about
any unix box and is almost as fast. I guess I got into the habit of
using it since the grep on older boxes don't support any recursion.
find . -type f -print | xargs egrep -i REGEXP /dev/null
Richard Coleman
rcoleman@criticalmagic.com
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