Mastering Modern Perl: Writing Efficient and Maintainable Code/

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Branching Directives: if, unless, else, elsif

Branching Directives: if, unless, else, elsif

Learn about branching directives in Perl.

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Control flow directives

Perl’s basic control flow is straightforward. Program execution starts at the beginning (the first line of the file executed) and continues to the end:

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say 'At start';
say 'In middle';
say 'At end';

Perl’s control flow directives change the order of what happens next in the program.

Branching directives

Branching directives in Perl are explained below:

The if directive

The if directive performs the associated action only when its conditional expression evaluates to a true value:

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my $name = 'Bob';
say 'Hello, Bob!' if $name eq 'Bob';

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