Chet Ramey <chet.ra...@case.edu> writes:
> On 2/8/16 9:59 AM, Andreas Schwab wrote:
>> Chet Ramey <chet.ra...@case.edu> writes:
>>
>>> `cd ..' should fail, since the parent no longer exists, and the pathname
>>> canonicalization should fail, since there's presumably no longer a valid
>>> path to reach the current directory. No value for $PWD is correct.
>>
>> ${PWD%/*} would be a reasonable value. FWIW, this is what ksh uses in
>> this case, it doesn't fail.
>
> Why would that be more reasonable than anything else? It references a
> path that doesn't exist.
Sorry, I misread the OP's message. I didn't notice it's about the
parent's parent, not the parent.
Andreas.
--
Andreas Schwab, SUSE Labs, sch...@suse.de
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"And now for something completely different."
