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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