On 4/21/17 11:48 AM, Pete Smith wrote:
> It appears to me that the sub shell does inherit the dirs stack, but any
> changes that are made to the dir stack remain
> in the sub shell and do not propagate back to the parent shell.
Correct; it's a separate process.
> Does the exchanges of your implementation comments mean the possibility of
> the addition of the -v option to pushd and
> popd are in the realm of possibility?
I think the key takeaway is that this is trivial to do with a shell
function, even if you want to add argument parsing (use getopts) and
pass all the option arguments except -v to the builtins.
I would pursue that implementation first. It's much simpler and can be
done more quickly.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
