On 10/16/2013 08:17 AM, Chet Ramey wrote:
> On 10/16/13 8:18 AM, Alexander Huemer wrote:
>> Hi,
>>
>> I wrote a shell script on a non-Debian system and assumed, in my 
>> greenness, that testing it with #!/bin/bash --posix would ensure that 
>> the script would run under dash too. I was wrong. Of course that is the 
>> fault of bash and not dash.
> 
> Maybe you should have verified your assumptions first.  That is simply not
> what the --posix option does.  Posix mode makes bash a superset of Posix;
> it's not a nothing-but-what-posix-specifies mode.

If you want a shell that does nothing-but-what-posix-specifies, use posh
from the Debian project.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org