Re: add a way to declare global variables

[Bernd Eggink]

Am 12.12.2009 11:24, schrieb Bernd Eggink:
> Am 12.12.2009 02:11, schrieb Matthew Woehlke:
> > konsolebox wrote:
> > > I hope the development team will also consider adding a way in bash to
> > > declare global variables inside a function perhaps either with an
> > > option in typeset or declare like -g (same as zsh) and/or a builtin
> > > function like global as similar to local.
> >
> > I thought variables in functions were /always/ global unless declared
> > local?
>
> It's the other way round. Regarding typeset and declare, the man page
> says: " When used in a function, makes each name local, as with the
> local command. " So within a function, typeset, declare, and local are
> synonyms.

To avoid misunderstandings, let me add that you are right (only) with 
respect to variables being used _without_ declaration. The problem is 
that associative arrays are the only kind of variables that _must_ be 
declared, since something like "a[foo]=bar" without a preceding 
declaration would create an indexed array (and set a[0] to "bar").

Bernd

--
Bernd Eggink
http://sudrala.de