[Israel.pm] Perl Refactoring?

[Scott Weisman]

You could try adding "use strict" and then commenting out the 
declarations. "perl -c" will then show errors if the variable is used.

Scott

Yuval Yaari wrote:
> Hi,
> 
> I am the not-so-proud owner of amazingly nasty pieces of code (not 
> written by me, so I take no responsibility :)).
> Trying to refactor some of them, I found out that I have many variables 
> that are defined with some meaningless value and are never used.
> Is there a simple way to find out all the variables that are never 
> actually used?
> I would like to remove them entirely from my code, as they make it look 
> even worse for no reason at all.
> 
> Any other refactoring tools/techniques are welcome :)
> 
>  --Yuval
> 
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