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 Message-ID: <416D07C8.42C3EB0F@dessent.net> Date: Wed, 13 Oct 2004 03:47:36 -0700 From: Brian Dessent Organization: My own little world... MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: Backup script not working properly References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Reply-To: cygwin@cygwin.com Fredrik Persson wrote: > All works but for the last for-loop which is responsible for deleting old > backups such that only NUMBKPS=4 of the last backups are stored. > > The problem is in 'if [ ${num} -le 0 ]' and 'else num=$((${num}-1))'. It seems > like the num-variable can't be used as an integer. Any suggestions how to fix > this??? On Linux, /bin/sh is /bin/bash. This is not the case on Cygwin and other *nixs. The "$((...))" thing is a bash feature/extension I think, and not found in the standard Bourne shell. Try using the expr command instead to do math, or change the shebang to call bash explicitly. Brian -- 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/