Hi!

I have some questions about OOP in Perl.

1. In my class I have lot of methods, but some of them just parse a file or 
pass a string to a different format (like in C, Im thinking that they are 
private), In perl, whats the better way to call a private method:

$state = $this->city2state("Arg1");

and in the citystate have

sub city2state {
        my $this = shift;
        my $city = $_[0];

...MoreCode..
}

Or this way

$state = &city2state("Arg1");

and in citystate have

sub citystate {
        my $city = $_[0];

MoreCode..
}

Which is the correct way? Im confused if I need to use $this for public and 
private methods or no..

2. Exists an special nomenclature, like Arrays need to be in capital letters 
and scalar variables not.

Thanks!
Pablo
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Pablo Fischer Sandoval ([EMAIL PROTECTED])
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