X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Fri, 11 Jul 2008 08:34:30 -0400 (EDT) From: William Sutton To: cygwin@cygwin.com Subject: Re: programming API to determine whether in 'Cygwin environment' In-Reply-To: <20080711075223.GL24644@calimero.vinschen.de> Message-ID: References: <18395872.post@talk.nabble.com> <20080711050615.GA4181@ednor.casa.cgf.cx> <45387.97.113.116.104.1215754377.squirrel@webmail.efn.org> <20080711075223.GL24644@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 All the same, you should probably check to see that whatever variables you choose to key off of don't alter the way your program behaves in other alternate Windows shells. A co-worker of mine uses 4NT, which provides UNIX command and shell emulation in a native Windows format. I expect it has at least $SHELL and/or $TERM. FWIW... William Sutton On Fri, 11 Jul 2008, Corinna Vinschen wrote: > On Jul 10 22:32, Yitzchak Scott-Thoennes wrote: >> On Thu, July 10, 2008 10:06 pm, Christopher Faylor wrote: >>> On Thu, Jul 10, 2008 at 08:49:06PM -0700, Tony Last wrote: >>>> My console program is built for native Windows (thus does not reply on >>>> cygwin1.dll). >>>> >>>> So I'm looking for a boolean method which will allow a program to tell >>>> whether it was run from within a Cygwin shell. >>> >>> A PATH containing colons which weren't preceded by just a single >>> alphabetic character would be a clue but it wouldn't be foolproof. A HOME >>> environment variable with no colons and forward slashes would be another >>> clue. I don't think there is a foolproof test, though. >> >> Both HOME and PATH are translated by the time the non-cygwin program >> sees them, though?? > > $TERM would be set. That's very unlikely when started from cmd. > $SHELL would be a hint, too. > > > Corinna > > -- > Corinna Vinschen Please, send mails regarding Cygwin to > Cygwin Project Co-Leader cygwin AT cygwin DOT com > Red Hat > > -- > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > Problem reports: http://cygwin.com/problems.html > Documentation: http://cygwin.com/docs.html > FAQ: http://cygwin.com/faq/ > > > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/