X-Spam-Check-By: sourceware.org Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Subject: RE: how to detect if Windows or Linux is running? Date: Thu, 1 Dec 2005 17:34:09 -0500 Message-ID: <31DDB7BE4BF41D4888D41709C476B6570246A86E@NIHCESMLBX5.nih.gov> From: "Buchbinder, Barry \(NIH/NIAID\)" To: "H. S." , X-IsSubscribed: yes 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 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id jB1MYNYH032275 H. S. wrote: > Christopher Faylor wrote: >> On Thu, Dec 01, 2005 at 05:07:15PM -0500, H. S. wrote: >> >>> Hi, >>> >>> I have installed Cygwin on a Windows XP computer to get rsync and >>> ssh running so that I can backup my important data on a Linux >>> computer on my home LAN. The idea is to use rsync to make rolling >>> backups of my Windows data automatically, say, once or twice a day >>> and to retain last N backups (N most probably going to be 10~20). >>> >>> But the problem I had not foreseen is that I dual boot this Windows >>> machine between Windows XP and Debian. How should I gracefully let >>> the rsync server know if this computer is running Linux or XP? >>> >>> I know that if the computer is running Linux, the rsync server will >>> never find /cygdrive/... folders and will just quite with an error. >>> But this is not 'clean', it will result in mails to the rsync >>> server root about the error. >>> >>> Suggestions? >> >> >> Why not just use mount to mount things similarly on the cygwin side >> and the linux side? >> >> cgf >> > > Even if I do that on the machine to be backed up, I still need to > know what OS is running. This is for the situation in which I want to > maintain different backups of Linux and of Windows data. To do this, > rsync must now what it is backing up so that it does not overwrite > previous backups of one OS with the new ones of the other. > > Or I misunderstood your post. > > ->HS Perhaps you could look for environmental variables that Windows sets but Linux doesn't. COMSPEC, windir, SystemDrive, SystemRoot, ProgramFiles, CommonProgramFiles -- 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/