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Date:      Sat, 2 Oct 2004 20:10:52 +0300
From:      Giorgos Keramidas <keramida@freebsd.org>
To:        "Jacques A. Vidrine" <nectar@freebsd.org>, Peter Jeremy <PeterJeremy@optushome.com.au>, freebsd-hackers@freebsd.org
Subject:   Re: Protection from the dreaded "rm -fr /"
Message-ID:  <20041002171052.GA2000@gothmog.gr>
In-Reply-To: <20041002164607.GD90985@madman.celabo.org>
References:  <20041002081928.GA21439@gothmog.gr> <20041002102918.W22102@fw.reifenberger.com> <20041002085143.GA52519@gothmog.gr> <20041002124349.GA21569@cirb503493.alcatel.com.au> <20041002164607.GD90985@madman.celabo.org>

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On 2004-10-02 11:46, "Jacques A. Vidrine" <nectar@freebsd.org> wrote:
>
> Will the next step be to prevent `rm -fr *' iff the current working
> directory is '/' ?  Please explain your answer.  :-)

No.  The fact * was passed is not visible to the running program.  It's
probably better to do this in the shell before it does the wildcard
expansion, just like tcsh does.  The "rm -fr / tmp/foo" case *is*
visible to the running program though and is a lot easier to handle.

I see a lot of people don't like the change, even though I made it
default to off and controlled by an environment variable.  There's
no reason to keep pushing for it, then.



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