- Lists
- In scalar context, returns the last item of the list
- In list context, returns the entire list
- Arrays
- In scalar context, returns the length of the array
- In list context, returns the entire array
- Hashes
- In scalar context, returns a measure of the space used
- In list context, returns the entire hash
$last_item = qw(goldfish cat dog); # $last_item = "dog";
@pets = qw(goldfish cat dog); # entire list
$count = @pets; # $count = 3;
@new_pets = @pets; # entire array
%pets = (goldfish => "glub",
cat => "meow",
dog => "woof");
$boolean = %pets; # true
@mix = %pets; # ("goldfish", ..., "woof")
%new_pets = %pets; # entire hash
|