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From: Bart Schaefer <schaefer@brasslantern.com>
Message-id: <120415110719.ZM2123@torch.brasslantern.com>
Date: Sun, 15 Apr 2012 11:07:19 -0700
In-reply-to: <20120415011750.GV12165@xvii.vinc17.org>
Comments: In reply to Vincent Lefevre <vincent@vinc17.net>
 "Re: `cd .` in non-existent directory leads into weird corner case" (Apr 15,
 3:17am)
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Subject: Re: `cd .` in non-existent directory leads into weird corner case
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On Apr 15,  3:17am, Vincent Lefevre wrote:
}
} I don't understand why the -c option has any effect (I couldn't
} see anything in the man pages).

With -f or no option at all, dir-test2.sh is being run approximately as
if read by "source".  With -c, it's being run as an external command,
so it might not even be zsh that's executing it.