Thank you, Daniel. That works great.


On Tue, Sep 15, 2015 at 11:43 PM, Daniel Shahaf <d.s@daniel.shahaf.name>
wrote:

> Jesper Nygårds wrote on Tue, Sep 15, 2015 at 19:15:01 +0200:
> > I have a fairly long function where the result is stored in an array
> called
> > "mylines".
> >
> > I want the function to return normally (status zero) if "mylines"
> contains
> > at least one non-empty element, and with non-zero otherwise.
>
>     return $(( $mylines[(I)?*] > 0 )0
>
> The (I) modifier interprets the key as a pattern and returns the highest
> index of a match, or 0 if there was no match.
>