Date: Sun, 29 Oct 2006 20:18:50 +0300 From: "Andrew Pantyukhin" <infofarmer@FreeBSD.org> To: "Yar Tikhiy" <yar@comp.chem.msu.su> Cc: doc@FreeBSD.org Subject: Re: New article Message-ID: <cb5206420610290918g2d6246bdhd3465d2e88f99e4f@mail.gmail.com> In-Reply-To: <20061015173531.GB31717@comp.chem.msu.su> References: <20061015173531.GB31717@comp.chem.msu.su>
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On 10/15/06, Yar Tikhiy <yar@comp.chem.msu.su> wrote:
> Hi folks,
Great article, thanks!
How about
-eval "${rcvar}=\${${rcvar}:-'NO'}"
+eval : \${${rcvar}='NO'}
(a little more concise/readable; does not override
explicit null value, which might not be valid, but
should probably be respected all the same)
Thanks!
help
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