Re: [perl #75570] perl -h recommends using -w

On Sat, Jun 05, 2010 at 08:45:24PM -0700, [email protected] wrote:
> # New Ticket Created by  [email protected] 
> # Please include the string:  [perl #75570]
> # in the subject line of all future correspondence about this issue. 
> # <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=75570 >
> 
> 
> 
> This is a bug report for perl from [email protected],
> generated with the help of perlbug 1.39 running under perl 5.10.1.
> 
> 
> -----------------------------------------------------------------
> [Please describe your issue here]
> 
> Hi,
> 
> the output of perl -h still recommends the use of the -w switch:
> 
>   -w                enable many useful warnings (RECOMMENDED)
> 
> But as far as I know "use warnings;" is preferred nowadays as that will not
> enable warnings in every loaded module (see "What's wrong with -w and $^W" in
> perldoc perllexwarn).
> 
> I suggest that the output of perl -h recommends "use warnings;" over the use of
> the -w switch.  perldoc perlrun should also be changed in that case: it
> mentions that "use warnings;" is possible, but does not state that this is
> recommended.
> 
> Looking at perl.c, this issue is still present in the latest Git tree.


I do not think 'perl -h' is the place to give recommendations on how
code should be written. 'perl -h' gives a list and a brief explanation of
the command line switches. IMO, it should do just that, and nothing else.

And I'd still recommend using -w in combination with -e.


Abigail