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Date:      Fri, 10 Oct 2014 18:38:14 +0100
From:      RW <rwmaillists@googlemail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: sh man page ....
Message-ID:  <20141010183814.3ae32a05@gumby.homeunix.com>
In-Reply-To: <5437FB8B.9080008@hiwaay.net>
References:  <5437FB8B.9080008@hiwaay.net>

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On Fri, 10 Oct 2014 10:30:19 -0500
William A. Mahaffey III wrote:

> 
> 
> I have a FBSD 9.3 desktop that supplanted a Linux FC14 desktop used
> for web access, some light development, & other day-to-day tasks
> (i.e. my daily driver, so to speak). I had a bunch of shell scripts
> written to use Linux sh, which was in fact bash, which means it had a
> superset of the arithmetic operators that traditional sh had. When I
> use these scripts under sh under FBSD 9.3, they largely work, though
> there are some minor differences (empty strings evaluate to zero (0)
> under bash, error under sh). 

Can you give an example?

$ sh
$ echo $((1+c))
1



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