Until Loop

Understand what an until loop is with the help of an example and illustration in this lesson.

We'll cover the following

What is an until loop?

The until loop continues to execute the statements in its block as long as the condition is false.

The syntax is as follows:

​Again, the curly braces surrounding the body of the until loop indicate that multiple statements can be executed as part of this loop.

Example

Take a look at the until loop code:

Press + to interact
$y=0;
until ( $y > 5 ) {   # the until loop will run "until" the condition is false               
$y += 1;
print "The value of y is: $y\n";
} #the loop will iterate 6 times

Explanation

Below is an illustration of the code above to help you better understand the logic.