Re: Are there users of ash's "pathopts"? Do other shells have such a thing?

[Lawrence Velázquez <vq@xxxxxxxxx>]

On Sat, Apr 1, 2023, at 4:49 PM, Denys Vlasenko wrote:
> Just now, I learned that CDPATH is a thing... oh god.
> Yet another danger of subtle bugs in scripts when one
> of their innocuous "mkdir subdir; cd subdir" suddenly
> cd's somewhere else...
> ..and this "feature" seems to be in bash too,
> and who knows where else.

At a minimum:
- traditional Bourne shells since 1983 [1]
- POSIX [2]
- busybox
- ksh and friends
- yash
- zsh

[1]: https://www.in-ulm.de/~mascheck/bourne/#svr1
[2]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/cd.html

-- 
vq