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  1. or download this
    use Getopt::Long;
GetOptions(
    'thing=s' => \(my $thing = ''),
    'other=s' => \(my $other = ''),
    'flag'    => \(my $flag = 0),
) or die 'options'; # usually scripts are for my own use
  2. or download this
    use Getopt::Long;
GetOptions( 'array=s@' => \(my @array) ) or die 'options';