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Date: Fri, 21 Sep 2012 10:23:36 -0700
From: David Wolfskill <david@catwhisker.org>
To: Brandon Allbery <allbery.b@gmail.com>
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Cc: stable@freebsd.org
Subject: Re: /bin/sh arithmetic doesn't seem to like leading 0 now
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On Fri, Sep 21, 2012 at 01:20:07PM -0400, Brandon Allbery wrote:
> On Fri, Sep 21, 2012 at 1:09 PM, David Wolfskill <david@catwhisker.org>wr=
ote:
>=20
> > $ echo $(( 09 + 0 ))
> >
>=20
> Unable to get to fbsd box now but suspicious mind wants to know what
> happens with 07 in place of 09.

As (I) expected, it's handled Just fine:

$ uname -r
9.1-PRERELEASE
$ echo $(( 07 + 0 ))
7
$=20

So yeah, this seems to be something involving treating leading 0 as
indicating octal (and seriously disliking "9" in such a context).

Peace,
david
--=20
David H. Wolfskill				david@catwhisker.org
Depriving a girl or boy of an opportunity for education is evil.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.

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