I find tying warnings to blocks of code to just not be a great approach.

I'm following this thread with interest; and no firm conclusions yet. (And I just read your follow up.)

And I have an assertion/question/dunnu: Whilst warnings do tend to follow the data; doesn't their significance (benign or actionable) depend upon the purpose/function of the code manipulating that data?

Currently I favour -w in scripts and use warnings in modules.

I prefer -w explicitly because it let's me see warnings generated as a result of what I've passed to (other people's) modules I use -- when that is the cause -- and prompts me to check up on warnings the authors have ignored; where these occur at use time; and satisfy myself of their benign status or otherwise.

I like to see use warnings in modules (in preference to nothing), because it indicates to me the author has thought about it. I have no problem with no warnings at limited scopes.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I'm with torvalds on this
In the absence of evidence, opinion is indistinguishable from prejudice. Agile (and TDD) debunked

In reply to Re^6: Shebang behavior with perl (-w) by BrowserUk
in thread Shebang behavior with perl by McKreeger

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