Re: Announcing bcron version 0.08

On Wed, Apr 20, 2005 at 12:31:51PM -0600, Bruce Guenter wrote:
> On Sat, Apr 09, 2005 at 10:37:19AM +0000, Gerrit Pape wrote:
> > the bcron-run Debian package will set these permissions
> >   for i in crontabs tmp trigger; do
> >     chown cron:cron /var/spool/cron/$i
> >     chmod go-rwx /var/spool/cron/$i
> >   done
> 
> Can we assume a useful shell, and just write:
> 	chown cron:cron /var/spool/cron/{crontabs,tmp,trigger}
> 	chmod go-rwx /var/spool/cron/{crontabs,tmp,trigger}
> ?

I don't think so.  At least on Debian, /bin/sh is only required to
implement posix features plus some limited extensions.  Such brace
expansions are not required by posix
 http://www.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_13_03

The for loop should work fine with any /bin/sh.

Regards, Gerrit.