Select Code to Download

this({ 
        string => $string,
...
    my $p = shift; # all params in hashref
    print $p->{string} x $p->{times};
}

my $href = { string => "Hello, world!" };
my $previous_error = $error;
...
        print $p->{string};
    }
}

this();

...
    $p->{hostname} = $p->{hostname} || "0.pool.ntp.org";
    $p->{port} = $p->{port} || 123;
}