X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Message-ID: Date: Thu, 5 Jun 2008 18:43:25 -0400 From: "Mark J. Reed" To: cygwin AT cygwin DOT com, "Pierre A. Humblet" Subject: Re: Patch to allow Cron to use non-POSIX shells like Powershell.exe and CMD.exe In-Reply-To: <2abc9c2d0806051528w6aa5c8f5g6bf946291171d579@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <2abc9c2d0806040808s2178885ak5dcf7cd528ea685a AT mail DOT gmail DOT com> <2abc9c2d0806040948l2f6dc1cbjd99bbdaea65cf181 AT mail DOT gmail DOT com> <006701c8c756$1b923260$d50410ac AT wirelessworld DOT airvananet DOT com> <2abc9c2d0806051528w6aa5c8f5g6bf946291171d579 AT mail DOT gmail DOT com> X-Google-Sender-Auth: 34d046e9a0b32047 X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com The sh process is not "extra" since it's replaced by the powershell process, right? Unless "exec" works differently in Cygwin, which is entirely possible.... As a solution it seems reasonable to me... I'd much rather use a configuration-based change than worry about maintaining a patch. But that's just me. On 6/5/08, Blair Sutton wrote: > I'm not sure if that's a very good solution. It spawns an unnecessary > bourne shell process on each new cron job. > > Don't worry if you don't want to make the change. I will maintain my > own separate branch and perhaps post the patch with some instructions > somewhere online where other people may find it useful. > > Best regards > Blair > > On 6/5/08, Pierre A. Humblet wrote: >> ----- Original Message ----- >> From: "Blair Sutton" <> >> To: >> Sent: Wednesday, June 04, 2008 12:48 PM >> Subject: Patch to allow Cron to use non-POSIX shells like Powershell.exe >> and >> CMD.exe >> >> >> | Hi >> | >> | This is a very simple patch for Cron to allow one to use a shell like >> | powershell or cmd. I've done some testing and it appears to work well. >> | >> | I simply introduce a new environment variable called SHELLSWICTH that >> | defaults to "-c" if not used. Otherwise, one can set it to "/c" or >> | "-Command" for Windows shells. >> | >> >> ************ >> Hi Blair, >> >> I maintain cron for cygwin, thanks for your contribution. >> There are other simple ways to achieve your goals, >> without changing cron. >> >> For example SHELL could be /some/path/sh2powershell >> and sh2powershell be a sh script such as >> #! /bin/sh >> shift >> exec powershell -Command "$*" >> >> Wouldn't that work as well for you? >> >> Pierre >> > > -- > Sent from Google Mail for mobile | mobile.google.com > > +44 7943 865 125 > > -- > 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/ > > -- Sent from Gmail for mobile | mobile.google.com Mark J. Reed -- 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/