on Sun, May 06, 2001 at 01:54:26PM +0300, Tommi Komulainen ([EMAIL PROTECTED])
wrote:
> On Sat, May 05, 2001 at 07:25:35PM -0700, Karsten M. Self wrote:
> > on Sun, May 06, 2001 at 02:22:40AM +0300, Tommi Komulainen ([EMAIL
> > PROTECTED]) wrote:
> > >
> > > if test "${LANG+set}" = set; then LANG=C; export LANG; fi
> >
> > Close, but not quite. It's probably the nearest thing to a winner I've
> > seen posted though. And you just edged out Alan's suggestion of an
> > equivalent but opposite test.
>
> Umm, you wanted to test if a variable is set, the test does exactly that,
> not the opposite.
>
>
> > The possible problem" "*null or* unset". An existing, but null,
> > environment variable will be reported as unset.
>
> hrmpf, I *know* I should've emphasized the following the first time:
>
> > > arithmetic expansion. When not performing substring
> > > expansion, bash tests for a parameter that is unset or
> > > null; omitting the colon results in a test only for a
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > parameter that is unset.
> ^^^^^^^^^^^^^^^^^^^^^^^^I've enrolled in a reading comprehension course. -- Karsten M. Self <kmself@ix.netcom.com> http://kmself.home.netcom.com/ What part of "Gestalt" don't you understand? There is no K5 cabal http://gestalt-system.sourceforge.net/ http://www.kuro5hin.org
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