On Thu, Jul 11, 2013 at 4:51 PM, David Korn <[email protected]> wrote:
> Subject: Re: Re: [ast-users] ksh93 returns "()" for "${a[@]}" if I clear an
> array with a=( )
> --------
>
>> (Slightly) offtopic: How can I clear a plain string array (e.g. $
>> typeset -a ar #) via the C API (without having to resort to
>> |sh_trap()| to do it...) ?
>
> You can do
> nv_putsub(np,0,0,ARRAY_UNDEF);
> before calling
> _nv_unset(np,NV_RDONLY);
Ok... so a function to clear an associative/indexed array would look like this:
-- snip --
void nv_clear_array(Namval_t* np)
{
nv_putsub(np,0,0,ARRAY_UNDEF);
_nv_unset(np,NV_RDONLY);
}
-- snip --
... right ?
Next question: How do I clear a compound variable using the libshell C API ?
----
Bye,
Roland
--
__ . . __
(o.\ \/ /.o) [email protected]
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