Re: add a way to declare global variables

[Bernd Eggink]

Am 12.12.2009 15:25, schrieb DennisW:
> On Dec 12, 4:24 am, Bernd Eggink<mono...@sudrala.de>  wrote:
> > 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. Using 'local' outside a function is an error, so IMHO this
> > command is completely redundant. It _would_ make some sense, however, if
> > its counterpart 'global' existed, as it could help clarify the intended
> > usage of the variable.
> >
> > Bernd
> >
> > --
> > Bernd Egginkhttp://sudrala.de
>
> $ vars () { var1=123; local var2=456; }
> $ vars
> $ echo "var1=$var1 "var2=$var2"
> var1=123 var2=
>
> How is that "the other way around"?

(Sorry, something went wrong with the last reply)

What I meant is that variables _declared_ in functions are always global.


--
Bernd Eggink
http://sudrala.de