Date: Tue, 1 Aug 2006 17:26:11 +1000 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Ivan Voras <ivoras@fer.hr> Cc: freebsd-hackers@freebsd.org Subject: Re: [PATCH] adding two new options to 'cp' Message-ID: <20060801072611.GA717@turion.vk2pj.dyndns.org> In-Reply-To: <ealpn1$lan$1@sea.gmane.org> References: <200607271150.k6RBoM9p031745@lurza.secnetix.de> <44C8FB65.9020102@FreeBSD.org> <44CE03D2.2050803@centtech.com> <17614.4005.407223.621637@bhuda.mired.org> <44CE199C.2020500@centtech.com> <17614.8289.134373.387558@bhuda.mired.org> <96b30c400607310847s1d2f845eo212b234d03f51e9a@mail.gmail.com> <17614.10982.499561.139268@bhuda.mired.org> <ealpn1$lan$1@sea.gmane.org>
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--lrZ03NoBR/3+SXJZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, 2006-Jul-31 22:42:49 +0200, Ivan Voras wrote: >I agree with this, and while you're in there, can you add -s to copy=20 >sparse files (via the usual "if the buffer is all nulls, seek beyond eof= =20 >instead of writing" trick)? Note that it isn's possible to accurately distinguish between a block of NULs and a hole in the file through the filesystem. The only way to accurately copy a sparse file is with dump/restore. On Mon, 2006-Jul-31 22:37:56 +0200, Ivan Voras wrote: >To badly paraphase [1] a quote: "Here, have a $1, buy yourself a GB of=20 >storage..." :) This is true in the desktop and server market but is not true in the embedded market and only marginally true for laptops. --=20 Peter Jeremy --lrZ03NoBR/3+SXJZ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (FreeBSD) iD8DBQFEzwIT/opHv/APuIcRAmEmAJ90WuXGd8QbxLyldLSGqP3gJEx1GACaArTO YcvQyPnpUXOGRnao40mvi6M= =fWaH -----END PGP SIGNATURE----- --lrZ03NoBR/3+SXJZ--
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