Re:

[Christoph Anton Mitterer <calestyo@xxxxxxxxxxxx>]

On Wed, 2023-12-06 at 21:40 -0700, Emma Tebibyte wrote:
> I found a bug in dash version 0.5.12 where when shifting more than
> ?#,
> the shell exits before evaluating a logical OR operator.

AFAIU from POSIX this is perfectly valid behaviour:

https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#shift

> EXIT STATUS
> If the n operand is invalid or is greater than "$#", this may be
> considered a syntax error and a non-interactive shell may exit; if
> the shell does not exit in this case, a non-zero exit status shall
> be returned. Otherwise, zero shall be returned.


Cheers,
Chris.