Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Date: Mon, 22 Jul 2002 13:48:00 +0400 From: egor duda Reply-To: egor duda Organization: deo X-Priority: 3 (Normal) Message-ID: <193351029193.20020722134800@logos-m.ru> To: "Robert Collins" CC: cygwin@cygwin.com, "'David A. Cobb'" Subject: Re: Valid file-name characters In-Reply-To: <000601c23161$55d02bd0$0200a8c0@lifelesswks> References: <000601c23161$55d02bd0$0200a8c0@lifelesswks> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi! Monday, 22 July, 2002 Robert Collins robert.collins@syncretize.net wrote: >> RC> I was just about to suggest that whatever character is used is used as >> RC> an escape char rather than a literal replacement. >> >> RC> i.e. >> RC> WIN32 CYGWIN >> 'aux%c' ->> 'aux:' >> 'aux%%' ->> 'aux%' >> >> which means that >> >> s='a%%' >> touch $s >> notepad $s >> >> won't work. RC> Unless cygwin detects that notepad is a non cygwin program, and therefor RC> needs the on-disk name. Even if cygwin knows that notepad is native program it can't tell for sure if a%% is name of disk file. It may be a name of my dog to be told from my computer speakers, for instance. An he surely won't like if i misspell his name ;-) RC> With 'aux%' ->> 'aux:' RC> s='aux:' RC> touch $s RC> notepad $s RC> won't work either - unless cygwin detects that notepad... That's exactly my point. Having some fancy rules for filename encoding breaks interoperability with native tools. Escaping non-valid characters like ':' is not big problem, since native tools can't use such names anyway. But messing with valid characters like '%' is far more dangerous and error-prone. Egor. mailto:deo@logos-m.ru ICQ 5165414 FidoNet 2:5020/496.19 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/