Re: wrong logical evaluation of expressions involving true or false commands

[Matthew Woehlke]

Paul Jarc wrote:
> Matthew Woehlke <mw_triad@users.sourceforge.net> wrote:
> > Stephane Chazelas wrote:
> > > [ -n "$foo" -a -n "$bar" ]
> > > is not the expression to test whether both "$foo" and "$bar" are
> > > non-empty, as it would fail for some specific values of $foo or
> > > $bar (try it when $foo contains "=" for instance).
> > Huh? Why would having an '=' in foo have any effect?
>
> I think Stephane meant the exact string "=", not any string containing
> "=".  

Ah, yes, *that* would cause problems.
/me reads "contains" in the string sense, not the value sense :-)

--
Matthew
"...anyway, that's my 0.02 toasters"
(with apologies to Niel)