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: Wed, 9 Oct 2002 01:46:05 -0400 From: Christopher Faylor To: cygwin@cygwin.com Subject: Re: grep = * vs grep = * > foo Message-ID: <20021009054605.GB24383@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <20021009002305.79648.qmail@web40514.mail.yahoo.com> <20021009002731.GA25291@redhat.com> <20021009054202.GA859@butch.jgcomp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021009054202.GA859@butch.jgcomp.com> User-Agent: Mutt/1.4i On Wed, Oct 09, 2002 at 01:42:02AM -0400, Jon LaBadie wrote: >On Tue, Oct 08, 2002 at 08:27:31PM -0400, Christopher Faylor wrote: >> On Tue, Oct 08, 2002 at 05:23:05PM -0700, Sheryl McKeown wrote: >> >grepping and redircting the output to a file >> >causes a process loop that has to be killed >> > >> >17:17 0 [C:\Development\test] >> >.grep = * > delme >> > >> >17:18 66048 [C:\Development\test] >> >.^C >> > >> >What happens is that the grep starts reading the delme >> >file and then reporting all those finds... >> >> Right. The file is created before grep is started so when grep expands >> the '*' if finds delme and dutifully searches it... forever. >> >> >Ok, but the odd part this is, this behavior doesn't appear when using >> >the bash shell (on the same XP box). >> >> When run from the bash shell, bash itself first expands '*' and then >> creates delme. Since delme doesn't exist, it isn't searched. > >Would a similar endless loop occur if delme did exist >and the redirection overwrote it? Yes. cgf -- 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/