On Sunday, December 14, 2014 09:44:16 PM Stephane Chazelas wrote:
> but:
>
> x='($(uname>&2))' bash -c 'f() { a[0]=x; declare a=$x; }; f'
>
> is not, because when in a function, declare ignores variables by
> the same name that have not been declared in that same scope
> (even if they have been *set* in that context)
>
> So it's more unlikely to be a problem than I thought it would be
> as "declare" is mostly used in functions.
Indeed I was just about to point this out. It's a rare scenario at least in my
code to either declare something twice in the same scope or rely upon a global
being in a particular state.
--
Dan Douglas
