Date: Mon, 30 Oct 2006 03:15:33 +0100 From: Joerg Pernfuss <elessar@bsdforen.de> To: freebsd-hackers@freebsd.org Subject: Re: [patch] rm can have undesired side-effects Message-ID: <20061030031533.44737ff4@loki.starkstrom.lan> In-Reply-To: <200610301230.03595.doconnor@gsoft.com.au> References: <20061029222847.GA68272@marvin.astase.com> <20061030003628.42bc5f8d@loki.starkstrom.lan> <200610301230.03595.doconnor@gsoft.com.au>
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--Sig_NbWjanV+I21JwvITsVlP/8C Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Mon, 30 Oct 2006 12:30:02 +1030 "Daniel O'Connor" <doconnor@gsoft.com.au> wrote: > > Silently ignoring user specified options is seldom a good way to go. > > The user explicitly stated he wants to wipe the file contents. >=20 > I disagree that the user really meant to wipe the file if its link > count is >1. That of course may or may not be true. I still do not like the 'silent' part. > IMO having rm -P not wipe the file if its link count is >1 is a good > idea. if you are deleting a tree containing a file with links then > this will result in the file getting wiped in the end anyway because > the link count will be 1 after the first link is removed. >=20 > It would be easy enough to add a diagnostic message in the -P case > where the link count is >1. Yes, see my other mails. Bahviour similar to OpenBSD (don't overwrite, generate warning, unlink) is probably what should be done. The pitfall may really be too big. Joerg --=20 | /"\ ASCII ribbon | GnuPG Key ID | e86d b753 3deb e749 6c3a | | \ / campaign against | 0xbbcaad24 | 5706 1f7d 6cfd bbca ad24 | | X HTML in email | .the next sentence is true. | | / \ and news | .the previous sentence was a lie. | --Sig_NbWjanV+I21JwvITsVlP/8C Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFFRWBFH31s/bvKrSQRAr+GAJ0ZndfK8Ud6Cjxy1tTtld8Z2bt22gCfZruz H3R6AC2oOHDBN+ktJ1kYr6k= =vOut -----END PGP SIGNATURE----- --Sig_NbWjanV+I21JwvITsVlP/8C--
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