From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Lennart Borgman (gmail)" Newsgroups: gmane.emacs.devel Subject: Re: add INVERT to re-search-{forward, backward} Date: Mon, 25 Aug 2008 22:07:02 +0200 Message-ID: <48B310E6.9000803@gmail.com> References: <861wa92g6a.fsf@lifelogs.com> <87fxyni898.fsf@jurta.org> <86myjrl2jz.fsf_-_@lifelogs.com> <878wumj8zx.fsf@jurta.org> <48B2D679.9050206@gmail.com> <877ia4anfc.fsf@jurta.org> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1219694998 8216 80.91.229.12 (25 Aug 2008 20:09:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 25 Aug 2008 20:09:58 +0000 (UTC) Cc: Ted Zlatanov , emacs-devel@gnu.org To: Juri Linkov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Aug 25 22:10:50 2008 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 4.50) id 1KXiO2-0005C9-Rq for ged-emacs-devel@m.gmane.org; Mon, 25 Aug 2008 22:10:03 +0200 Original-Received: from localhost ([127.0.0.1]:49714 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KXiN4-0000XO-MX for ged-emacs-devel@m.gmane.org; Mon, 25 Aug 2008 16:09:02 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KXiLG-0007wn-Jb for emacs-devel@gnu.org; Mon, 25 Aug 2008 16:07:10 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KXiLE-0007wA-Sl for emacs-devel@gnu.org; Mon, 25 Aug 2008 16:07:10 -0400 Original-Received: from [199.232.76.173] (port=60242 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KXiLE-0007w7-Oc for emacs-devel@gnu.org; Mon, 25 Aug 2008 16:07:08 -0400 Original-Received: from ch-smtp02.sth.basefarm.net ([80.76.149.213]:42038) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KXiLE-0001oF-Eh for emacs-devel@gnu.org; Mon, 25 Aug 2008 16:07:08 -0400 Original-Received: from c83-254-151-176.bredband.comhem.se ([83.254.151.176]:62655 helo=[127.0.0.1]) by ch-smtp02.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1KXiL9-0005hw-8F; Mon, 25 Aug 2008 22:07:04 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 In-Reply-To: <877ia4anfc.fsf@jurta.org> X-Enigmail-Version: 0.95.7 X-Antivirus: avast! (VPS 080825-0, 2008-08-25), Outbound message X-Antivirus-Status: Clean X-Originating-IP: 83.254.151.176 X-Scan-Result: No virus found in message 1KXiL9-0005hw-8F. X-Scan-Signature: ch-smtp02.sth.basefarm.net 1KXiL9-0005hw-8F c811c19ffc11e58efc6a49d8556081b0 X-detected-kernel: by monty-python.gnu.org: Linux 2.6? (barebone, rare!) 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:102964 Archived-At: Juri Linkov wrote: >>> Instead of this, I think the change should be done at the occur level, >>> since occur's algorithm is line-based and can skip lines that contain >>> a given regexp. This could be similar to the algorithm used by the >>> command `flush-lines' in the same file. `occur' currently works like the >>> command `keep-lines' that keeps lines containing the specified regexp. >>> But with a new INVERT argument, `occur' could work like `flush-lines' that >>> keep everything except lines containing the specified regexp. >> This is also similar to grep etc. > > Yes, as a line-oriented tool, grep's -v --invert-match option is what > could be modelled in occur. > > Then a negative prefix argument of `occur' could mean inverting the > regexp and displaying non-matching lines. Maybe it also would be practical to be able to access that function from within the occur window too?