Conditional Directives and Context
Explore how Perl handles conditional directives such as if, unless, and ternary operators by interpreting expressions in boolean context. Understand which values Perl treats as true or false, including numbers, strings, arrays, and hashes, and learn how boolean evaluation influences control flow in your code.
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We'll cover the following...
The conditional directives if, unless, and the ternary conditional operator, all evaluate an expression in a boolean context. Since comparison operators such as eq, ==, ne, and != all produce boolean results when evaluated, Perl coerces the results of other ...