SPUG: Slice of an arrary within a hash?

[Stuart Poulin]

I feel the same, I feel -w is more for development phases.

I sometimes add:
BEGIN {
	$^W= $^W || $ENV{PERL_DEV} ? 1 : 0 ;
}

To my scripts.  Then set PERL_DEV=true when I'm working on the scripts.


--- Joel <largest at largest.org> wrote:
> > ced at carios2.ca.boeing.com wrote
> >
> > #!/usr/bin/perl -w
> >                 ^^^^^^
> >                 ^^^^^^
> >    # enable warnings above. See -w 
> >    # in action below: 
> 
> 
> <$0.02>
> 
> -w is a great tool, but I don't put it in the shebang line of my perl
> scripts.  This is because it turns on warnings for *all* Perl involved in
> the script, which includes all use'd modules and all modules the use'd
> modules use, and so on.  Also, it will sometimes warn me about things that
> I know are okay.
> 
> You can turn off the warnings temporarily by local'izing the $^W variable
> around code you know might generate a warning.  But at work there are some
> older modules that are crufty and generate lots of (allowable) warnings.  
> So I get tired of reading a page of warnings I already know about every
> time I run the script.  (yes I realize someone should go fix the old
> modules :-)
> 
> My solution?  When I'm stumped on a debug or want to verify my code before
> checking into production, I run
> 
>  perl -cw myscript
> 
> which shows me the warnings.
> 
> </$0.02>
> 
> Joel
> 
> 
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