Re: exiting noninteractive shells on 'shift 2'

[Eric Blake]

On 11/9/18 10:42 AM, Chet Ramey wrote:

> >      A diagnostic message shall be written to standard error whenever an
> > error condition occurs."
> >
> > Since 'shift 2' when $# is 1 is an error, and results in non-zero status,
> > it should print a diagnostic to stderr.
>
> So maybe the thing to do is to turn on the shift_verbose option in posix
> mode.

Cool - I didn't realize we already had a shopt for that. Yes, it sounds 
like in POSIX mode, shift_verbose should be turned on.

On a related note, should turning on POSIX mode also auto-enable xpg_echo?

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
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