An accurate, if irreverent, description of Perl is an "operator-oriented language". The interaction of operators with their operands gives Perl its expressivity and power. Understanding Perl requires understanding its operators and how they behave. For the sake of this discussion, a working definition of a Perl operator is a series of one or more symbols used as part of the syntax of a language. Each operator operates on zero or more operands; this definition is circular, as an operand is a value on which an operator operates.
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