How to check if an Array is Empty in Perl - Step by Step Examples

How to check if an Array is Empty in Perl ?

In Perl, you can check if an array is empty by using the scalar context or checking its size.

In this example,

We create an array named @numbers with some elements.
We check if the array is empty by evaluating scalar(@numbers) in scalar context or checking its size.
Finally, we print whether the array is empty or not.

@numbers = (1, 2, 3);
$is_empty = scalar(@numbers) == 0;
print "Array is empty: $is_empty\n";

Array is empty: false

In this example,

We create an empty array named @empty_array.
We check if the array is empty by evaluating scalar(@empty_array) in scalar context or checking its size.
Finally, we print whether the array is empty or not.

@empty_array = ();
$is_empty = scalar(@empty_array) == 0;
print "Array is empty: $is_empty\n";

Array is empty: true

In this tutorial, we learned How to check if an Array is Empty in Perl language with well detailed examples.