Re: portability of dirname and ${var%x*}

[Paul Eggert]

Stepan Kasal <address@hidden> writes:

> Could you please name some OS version?

I recall that NextSTEP didn't have it.  Traditionally, BSD-based
systems didn't have dirname.

> Are these systems still in use?

Certainly it was an issue 10 years ago.  I dunno if such systems are
still in use.

> 2) Can I use something like ${0%/*} or ${pathname%%*/} ?
> These variable expansions are required by POSIX.
> I was told that Solaris /bin/sh doesn't honor them.

That's correct.  You get a "bad substitution" error message (on
Solaris 9, anyway).

> Shouldn't the manual contain a section about them?

Yes, it should.