On 9/23/19 1:24 PM, Robert Elz wrote:
> Date: Mon, 23 Sep 2019 10:59:43 -0400
> From: Greg Wooledge <[email protected]>
> Message-ID: <[email protected]>
>
> | But... there literally *is* a real standard for this.
>
> Hmm, yes, you're right. That suggests that -depth must be a System-V
> invention (POSIX wouldn't have added a spec for an undocumented internal
> operator from BSD...)
It's in SVR2 (1984?), at least, and POSIX-1003.2d11 (1991) has it, without
any mention of where it came from, so I assume POSIX picked it up from the
SVID. The SVR2 page implies that it was added to support cpio.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/