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From: Peng Yu <pengyu.ut@gmail.com>
Newsgroups: gnu.bash.bug
Subject: bug in dirname loadable?
Date: Mon, 24 Dec 2018 21:35:00 -0600
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Xref: csiph.com gnu.bash.bug:14948

dirname loadable gives the following error. I think the coreutils'
direname's convention is better. Should it be considered as a bug to
fix?

$ dirname -- -a
dirname: usage: dirname string
$(type -P dirname) -- -a
.

-- 
Regards,
Peng