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  1. or download this
    my $ticker=['http://perlmonks.org/index.pl?node_id=30175&xmlstyle=rss'
    +,
                "http://rss.news.yahoo.com/rss/science"]->[rand 2];
    
  2. or download this
    my $ticker=('http://perlmonks.org/index.pl?node_id=30175&xmlstyle=rss'
    +,
                "http://rss.news.yahoo.com/rss/science")[rand 2];
    
  3. or download this
    my $ticker=(qw(http://perlmonks.org/index.pl?node_id=30175&xmlstyle=rs
    +s
                http://rss.news.yahoo.com/rss/science))[rand 2];
    
  4. or download this
    my $ticker=qw(http://perlmonks.org/index.pl?node_id=30175&xmlstyle=rss
                http://rss.news.yahoo.com/rss/science)[rand 2];