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[bug #26281] find -depth sometimes visits nodes in the wrong order

From: James Youngman
Subject: [bug #26281] find -depth sometimes visits nodes in the wrong order
Date: Tue, 21 Apr 2009 22:56:36 +0000
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/2009032813 Iceweasel/3.0.6 (Debian-3.0.6-1)

Follow-up Comment #2, bug #26281 (project findutils):

There is a second alternative interpretation of events, I think.   The POSIX
description for -depth is:

    The primary shall always evaluate as true; it shall cause descent of the
directory hierarchy to be done so that all entries in a directory are acted on
before the directory itself. If a -depth primary is not specified, all entries
in a directory shall be acted on after the directory itself. If any -depth
primary is specified, it shall apply to the entire expression even if the
-depth primary would not normally be evaluated.

One reading of this is that the paragraph above only requires that
"dir/m4/Makefile.am"  and "dir/Makefile.am" are both processed before "dir"
itself, but that no guarantee need be made about the relative ordering of the
visits to the two files.


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