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| From: | Paolo Bonzini |
| Subject: | Re: unset FOO |
| Date: | Wed, 15 Oct 2008 13:46:06 +0200 |
| User-agent: | Thunderbird 2.0.0.17 (Macintosh/20080914) |
>> But why waste the time going through a temporary variable, when you can use:
>
>> test ${foo+set} = set && unset foo
>
> That is clearer, true.
Or you can also use
{ foo=; unset foo; }
too.
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