From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Juri Linkov Newsgroups: gmane.emacs.devel Subject: Re: off-topic: `virtual' files Date: Fri, 05 Feb 2010 23:36:49 +0200 Organization: JURTA Message-ID: <87r5oz73nq.fsf@mail.jurta.org> References: <20100205.160509.211492106.wl@gnu.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1265407162 12147 80.91.229.12 (5 Feb 2010 21:59:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 5 Feb 2010 21:59:22 +0000 (UTC) Cc: emacs-devel@gnu.org To: Werner LEMBERG Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Feb 05 22:59:19 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1NdWCs-0001Gm-Oa for ged-emacs-devel@m.gmane.org; Fri, 05 Feb 2010 22:59:19 +0100 Original-Received: from localhost ([127.0.0.1]:50569 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NdWCr-0005b4-Ps for ged-emacs-devel@m.gmane.org; Fri, 05 Feb 2010 16:59:17 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NdWCl-0005Yx-I0 for emacs-devel@gnu.org; Fri, 05 Feb 2010 16:59:11 -0500 Original-Received: from [199.232.76.173] (port=45701 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NdWCk-0005X8-6m for emacs-devel@gnu.org; Fri, 05 Feb 2010 16:59:10 -0500 Original-Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NdWCg-0005jQ-6F for emacs-devel@gnu.org; Fri, 05 Feb 2010 16:59:09 -0500 Original-Received: from smtp-out4.starman.ee ([85.253.0.6]:33567 helo=mx2.starman.ee) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NdWCf-0005j0-SD; Fri, 05 Feb 2010 16:59:06 -0500 X-Virus-Scanned: by Amavisd-New at mx2.starman.ee Original-Received: from mail.starman.ee (82.131.97.22.cable.starman.ee [82.131.97.22]) by mx2.starman.ee (Postfix) with ESMTP id 11E473F692E; Fri, 5 Feb 2010 23:58:59 +0200 (EET) In-Reply-To: <20100205.160509.211492106.wl@gnu.org> (Werner LEMBERG's message of "Fri, 05 Feb 2010 16:05:09 +0100 (CET)") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1.92 (x86_64-pc-linux-gnu) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:120962 Archived-At: > Sometimes I'm downloading big files which have been split into chunks, > say, a 1GByte file into ten chunks with 100MByte each. Currently, I > have to concatenate all files into a new file to be able to access it > as a whole. I now wonder whether it is possible to group these chunks > into a virtual file (similar to virtual file systems), avoiding this > copying. BTW, I'm using a GNU/Linux box. A recent discussion (no implementation yet): http://www.mail-archive.com/zfs-discuss@opensolaris.org/msg31707.html should be also possible to implement with http://www.filesystems.org/ Back on topic: WIBNI to have a command to read a set of related files into one buffer like M-x multi-find-file RET ChangeLog* RET Then operations on multiple files grouped into a virtual file would be more simple (e.g. normal search/replace instead of `A' and `Q' in Dired, etc.) -- Juri Linkov http://www.jurta.org/emacs/