The "or" operator has very, very low precedence - even lower than the assignment operator ("=").

perldoc perlop says: 

           $a = $b or $c;              # bug: this is wrong
           ($a = $b) or $c;            # really means this
           $a = $b || $c;              # better written this way

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In reply to Re: Precendence and wantarray puzzling me by matija
in thread Precendence and wantarray puzzling me by ViceRaid

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