From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?ISO-8859-1?Q?Nordl=F6w?= Newsgroups: gmane.emacs.help Subject: Re: Checking for ASCII 7-bit Cleaness Date: Tue, 9 Jun 2009 11:50:11 -0700 (PDT) Organization: http://groups.google.com Message-ID: References: <9068a652-b0f1-4f9c-81bb-7ce5676e82b5@o14g2000vbo.googlegroups.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1244576505 4968 80.91.229.12 (9 Jun 2009 19:41:45 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 9 Jun 2009 19:41:45 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Jun 09 21:41:43 2009 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1ME7CY-0000B3-Iz for geh-help-gnu-emacs@m.gmane.org; Tue, 09 Jun 2009 21:41:42 +0200 Original-Received: from localhost ([127.0.0.1]:35807 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ME7CY-0006xb-1C for geh-help-gnu-emacs@m.gmane.org; Tue, 09 Jun 2009 15:41:42 -0400 Original-Path: news.stanford.edu!newsfeed.stanford.edu!postnews.google.com!21g2000vbk.googlegroups.com!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 7 Original-NNTP-Posting-Host: 81.170.250.228 Original-X-Trace: posting.google.com 1244573411 2916 127.0.0.1 (9 Jun 2009 18:50:11 GMT) Original-X-Complaints-To: groups-abuse@google.com Original-NNTP-Posting-Date: Tue, 9 Jun 2009 18:50:11 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: 21g2000vbk.googlegroups.com; posting-host=81.170.250.228; posting-account=ytJKAgoAAAA1tg4ScoRszebXiIldA5vg User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1pre) Gecko/20090605 Ubuntu/9.04 (jaunty) Shiretoko/3.5pre, gzip(gfe), gzip(gfe) Original-Xref: news.stanford.edu gnu.emacs.help:169866 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:65097 Archived-At: In C I would have stepped forward 4 bytes (except for the resting 1-3 bytes of the file of course) and for each such block x then tested that (x & 0x80808080) equals zero. If so the file is 7-bit clean. Could we do something similar with elisp regular expression operations? /Nordl=F6w