From: Johannes Schindelin Date: Fri, 13 Jan 2017 17:13:32 GMT Subject: Re: [PATCH 2/2] Use 'env' to find perl instead of fixed path Message-ID: In-Reply-To: <20170113165819.GA6069@starla> Hi Eric, On Fri, 13 Jan 2017, Eric Wong wrote: > Johannes Schindelin 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. Okay, thanks! Dscho