Re: [PATCH 2/2] Use 'env' to find perl instead of fixed path

> Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> > I guess I do not understand, still, what the difference is between using
> > -w and adding `use warnings` *very early* in the script... Could you give
> > an example where it makes a difference?
> 
> "use warnings" won't leak across files/modules.  In the following
> example, only the "useless use of join or string in void context"
> from void.perl gets shown w/o -w.  The VoidExample.pm warning
> can get lost.