Date: Thu, 11 Apr 2002 20:29:20 -0600 (MDT) From: imp@village.org To: Bcc-Receiver: ; Subject: A blind carbon copy Message-ID: <20020411.202920.24384470.imp@village.org>
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This is a blind carbon copy.
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Date: Thu, 11 Apr 2002 20:29:16 -0600 (MDT)
Message-Id: <20020411.202916.81341318.imp@village.org>
To: bgd@icomag.de
cc: standards@freebsd.org
Subject: Re: 'rm' incompatibility with Posix.2
From: M. Warner Losh <imp@village.org>
In-Reply-To: <20020409112048.D75449-200000@fw.cgn.icom>
References: <20020409112048.D75449-200000@fw.cgn.icom>
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In message: <20020409112048.D75449-200000@fw.cgn.icom>
Bogdan TARU <bgd@icomag.de> writes:
: bgd@cvs$ mkdir temp
: bgd@cvs$ ln -s temp b
: bgd@cvs$ ls -ald temp b
: lrwxr-xr-x 1 bgd wheel 4 Apr 9 11:27 b -> temp
: drwxr-xr-x 2 bgd wheel 512 Apr 9 11:27 temp
: bgd@cvs$ rm -rf b/
: bgd@cvs$ ls -ald temp b
: ls: temp: No such file or directory
: lrwxr-xr-x 1 bgd wheel 4 Apr 9 11:27 b -> temp
: bgd@cvs$
: As you can see, when I tried to remove the symlink 'b' with a trailing
: slash 'rm -rf b/', the target directory was removed instead of the actual
: symlink. Of course, this is weird (tryied it on some other 10 un*xes, and
: all worked in another way).
No, you removed 'b/' which is the same thing as 'b/.' which is the
directory to which 'b' points. That's BSD, and that's not likely
going to change. Too many user scripts would break, I can guarantee
that.
I'd like to see chapter and vers of "Posix.2" quoted that requires
this. There is no "Posix.2" standard anymore, so I kinda doubt that
is such a requirement.
This should also be discussed on the standards list, so I've changed
the CC to that list and only bcc'd hackers@.
Warner
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