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Subject: [Bug 203279] /bin/expr operator : fails when the string has a
 leading hyphen.
Date: Sun, 18 Oct 2015 19:25:38 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203279

Jilles Tjoelker <jilles@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jilles@FreeBSD.org

--- Comment #1 from Jilles Tjoelker <jilles@FreeBSD.org> ---
If options that take an option-argument of ":" can be excluded forever, a
simple workaround would be to skip option processing if there are 3 arguments
(excluding argv[0]) and the second argument is ":".

A stronger form of only treating "--" and "-e" as options would prevent adding
any more options without compatibility problems.

Perhaps this is acceptable, since expr is not a utility where major extensions
are expected.

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