Patch to allow Cron to use non-POSIX shells like Powershell.exe and CMD.exe

[Mark J. Reed]

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 <blairuk@googlemail.com> 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 <Pierre.Humblet@ieee.org> wrote:
>> ----- Original Message -----
>> From: "Blair Sutton" <>
>> To: <cygwin>
>> 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
>>
>
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Mark J. Reed <markjreed@gmail.com>

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