Date: Fri, 19 Aug 2011 09:14:54 -0500 (CDT) From: Robert Bonomi <bonomi@mail.r-bonomi.com> To: freebsd-questions@freebsd.org, v.velox@vvelox.net Subject: Re: wpa_cli issues Message-ID: <201108191414.p7JEEsgA069695@mail.r-bonomi.com> In-Reply-To: <20110819072234.38e655d6@vixen42.vulpes.vvelox.net>
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> From owner-freebsd-questions@freebsd.org Fri Aug 19 07:41:44 2011 > Date: Fri, 19 Aug 2011 07:22:34 -0500 > From: "Zane C. B-H." <v.velox@vvelox.net> > To: FreeBSD Questions <freebsd-questions@freebsd.org> > Subject: wpa_cli issues > > Is there any way to undefine a variable once it has been set? *As(stated*, the answer involves the offspring of the mating of a rhinoceros and an elephand. =GUESSING= that you mean a shell 'envionment variable', the answer is 'yes'. _How_ one can do it depends on the shell (*unspecified*!) being used. 'unsetenv' _may_ do the trick. Alternatively a variable assignment with no value (.e.g "VARIABLE=") may work.
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