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Date:      Wed, 01 Feb 2017 19:21:48 -0500
From:      "Garance A Drosehn" <drosih@rpi.edu>
To:        byrnejb@harte-lyne.ca
Cc:        Polytropon <freebsd@edvax.de>, freebsd-questions@freebsd.org
Subject:   Re: Variable assignment in sh
Message-ID:  <CE55C0A6-66C7-4AC1-8194-A17B203ACA5E@rpi.edu>
In-Reply-To: <84861d4906923faec222f96580833c2f.squirrel@webmail.harte-lyne.ca>
References:  <b831bd9e40321e59910ea8913c7a6302.squirrel@webmail.harte-lyne.ca> <20170131161824.a9f1ef46.freebsd@edvax.de> <b553c644fccc211f9658b31cfe65e8a0.squirrel@webmail.harte-lyne.ca> <20170131185103.7f911dfb.freebsd@edvax.de> <5f51e2c3bdb8a20c6a7786c2b345c957.squirrel@webmail.harte-lyne.ca> <20170131200143.00c5e5da.freebsd@edvax.de> <84861d4906923faec222f96580833c2f.squirrel@webmail.harte-lyne.ca>

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On 1 Feb 2017, at 14:59, James B. Byrne via freebsd-questions wrote:

> On Tue, January 31, 2017 14:01, Polytropon wrote:
>>
>> I know, those are very special cases, and if your goal is not
>> portability and "guaranteed availability", then it won't hit you.
>> I just thought it's worth being mentioned.
>
> Thank you.  I have found your explanation of what goes on under the
> covers very interesting.  In this case I am dealing with a zfs system
> so if /usr is not there then neither is /bin.

On something of minor tangent, if you're writing scripts in either 'sh'
or 'bash', you may find the following web site helpful:

  http://www.shellcheck.net

shellcheck is also available as a port, if you don't want to be pasting
your shell code into somebody else's web site.  The last time I checked,
the port brings in several other ports, so I tend to use the web site.

-- 
Garance Alistair Drosehn                =     drosih@rpi.edu
Senior Systems Programmer               or   gad@FreeBSD.org
Rensselaer Polytechnic Institute;             Troy, NY;  USA



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