# Generate a truly unique ID
sub GenerateBase
{
    my $base = shift;
    $base = 62 if $base > 62;
    my @nums = (0..9,'a'..'z','A'..'Z')[0..$base-1];

    return sub
    {
        my $number = shift;
        my $rep = ""; # this will be the end value.
        while( $number > 0 )
        {
            $rep = $nums[$number % $base] . $rep;
            $number = int( $number / $base );
        }
        return $rep;
    }
}
my $ToBase62 = GenerateBase( 62 );
my $ID = $ToBase62->( $$ ) . $ToBase62->( time );
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