I need a bit of clarification on the differences between saying use warnings; and putting -w on the command line. I thought they were the same.

My code starts:

use strict;
use warnings;
use Net::FTP;

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When I put -w on the command line, code within Net::FTP throws a warning at line 716 when trying to send a file. This is version 2.70 of Net::FTP and when I look at the source, it is trying to do -f $loc when $loc has never been assigned to (the warning is "uninitialised value in -f"). So the warning is genuine, nothing I can do to prevent it.

The reason behind the error is not really relevant here, but I'm wondering why if I just say "use warnings" without the -w switch, this warning is not reported?

Thanks.

s^^unp(;75N=&9I<V@`ack(u,^;s|\(.+\`|"$`$'\"$&\"\)"|ee;/m.+h/&&print$&

In reply to Difference between 'use warnings' and '-w' switch by muntfish

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