Date: Sat, 29 May 1999 14:17:39 -0400 (EDT) From: Zhihui Zhang <zzhang@cs.binghamton.edu> To: Duncan Barclay <dmlb@ragnet.demon.co.uk> Cc: freebsd-hackers@FreeBSD.ORG, "Christopher R.Bowman" <crb@ChrisBowman.com> Subject: Re: Algorithm used to delete part of a file Message-ID: <Pine.GSO.3.96.990529141455.13164A-100000@sol.cs.binghamton.edu> In-Reply-To: <XFMail.990529131936.dmlb@computer.my.domain>
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On Sat, 29 May 1999, Duncan Barclay wrote: > Primarily the file system is a "block" orientated storage media where a "block" > is the fragment size or a file system block. Addressing in the filesystem is > done on a block by block basis. As each block is a number of bytes we cannot > use byte addressing to simply move pointers around. > > If you find the papers written by Rob Pike on the editor "Sam" undr Plan-9 he > goes into a lot of detail about algorithms for removing/adding bytes into a > storage area with block addressing. > Thanks. I have found a paper named "the text editor sam" by Rob Pike in 1987 at http://plan9.bell-labs.com/cm/cs/papers.html. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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