[Israel.pm] Perl Refactoring?
margol at beamartyr.net
Sun Nov 7 02:13:30 PST 2004
Also, if you use a variable only once, Perl gives you a warning ($var used
only once - possible typo) if you use warnings;
----- Original Message -----
From: "Scott Weisman" <sweisman at pobox.com>
To: "Perl in Israel" <perl at perl.org.il>
Sent: Sunday, November 07, 2004 12:09 PM
Subject: Re: [Israel.pm] Perl Refactoring?
> You could try adding "use strict" and then commenting out the
> declarations. "perl -c" will then show errors if the variable is used.
> Yuval Yaari wrote:
>> 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 :)
>> Perl mailing list
>> Perl at perl.org.il
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> Perl at perl.org.il
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