Question

What is the most appropriate way to invoke a subroutine that you've created?

Select one:

a. @mysubroutine;

b. invoke mySubroutine();

c. &mySubroutine;

d. start mySubroutine();

Answer 1

What is the most appropriate way to invoke a subroutine that you've created?

Answer: c. &mySubroutine;

The act of invoking a subroutine is called a subroutine invocation.

We use ampersand when calling a subroutine.

The following example defines a simple subroutine that displays a message.

sub mySubroutine{      print "My new subroutine\n"; }

To call a subroutine, you use the following syntax:

&mySubroutine;

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