As a separate matter, you should beware about a numeric first argument to use because Perl may interpret it as a minimum required version for the given module.
Not exactly because use isn't exactly a function (use(CGI=>3);). 
$$ perl
use CGI 3;      # what you're talking about
use CGI ( 66 ); # a numeric literal, 1st argument, statement succeeds
use CGI 66;     # dies as should
CGI version 66 required--this is only version 3.04 at - line 3.
BEGIN failed--compilation aborted at - line 3.

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In reply to Re: Re: passing a $var thru a "use module($var)" by Anonymous Monk
in thread passing a $var thru a "use module($var)" by zentara

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