On 2/8/16 9:59 AM, Andreas Schwab wrote:
> Chet Ramey <[email protected]> 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.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
