Oh, it also seems I was editing my post while you were replying. Don't forget to check the update above.
EDIT: To make it local, you declare it in the scope you want to use it. To make it private, add the "my" identifier.
sub whatever {
my $localvariable = 0;
$localvariable = 25;
}
Using it that way makes a variable available to only this sub. Looking at what you are doing above, you do not want a local variable.
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