Easily import the settings in Perl.

development.pl

+{
    mysql => {
        user     => 'volt',
        password => 'voltisfast',
    },
}

read.pl

#!/usr/bin/env perl
use strict;
use warnings;
use feature qw(say);

my $file = './development.pl';
my $config = do $file or die "$!";

say $config->{mysql}->{user};
say $config->{mysql}->{password};

__END__
volt
voltisfast