On Mar 9, 3:37 am, que...@gmail.com (Jerald Sheets) wrote:
> On Mar 8, 2009, at 1:29 PM, Ron Bergin wrote:
>
>
>
> >> #!/usr/bin/perl -w
>
> > It's better to use the warnings pragma, instead of the -w switch
>
> Another note on this...  I just perldoc'ed it to see what it had to say:
>
> DESCRIPTION
>         The "warnings" pragma is a replacement for the command line  
> flag "-w",
>         but the pragma is limited to the enclosing block, while the  
> flag is
>         global.  See perllexwarn for more information.
>
> If the pragma is limited to the enclosing block but the flag is global  
> *AND* it is considered best practice to remove the pragma when  
> distributing your program:
>
> ote that it may still be appropriate to comment out the use warnings  
> line when your application or module is deployed, especially if non-
> technical users will interact with it, or if it will run in a CGI or  
> other embedded environment. Issuing warnings in these contexts can  
> needlessly alarm users, or cause server errors.
>
You seem to be picking out an exception (which in my experience,
rarely occurs) and applying that as the primary rule/guideline.


-- 
To unsubscribe, e-mail: beginners-unsubscr...@perl.org
For additional commands, e-mail: beginners-h...@perl.org
http://learn.perl.org/


Reply via email to