warnings

[uida1154]

Within the thread "need -> HELP" I saw something I have not seen before:

   #!/usr/bin/perl -w
   use strict;
   use warnings;

My question is: What is the added value to the use warnings here since the -w option already delivers warnings?

I am interested in it since I try to get my code more secure/save.

 

[raklet]

None. Just different ways of saying the same thing.

 

[uida1154]

Wat a pitty.

Is there somehow another level of warnings available with Perl?

For C-coding you have for instance qac, for Java qaj etc.

I want to be able to be more strict on my code.

 

[raklet]

Just warnings, strict, and taint. I find that is sufficient for all I need. At least I haven't had an error yet that could not be quickly fixed from information provided by one of those three items.