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What is the die statement in Pearl?

Chinweuba Elijah Azubuike

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

Overview

The die statement is used to terminate the execution of a code when an error occurs. It causes the code execution to stop and display an error message when an error occurs in the code.

Syntax

The syntax of the die statement is given below:

die('error message')
Syntax of the die statement in Pearl

Example

unless(chdir("/etce")) {
die "Error: Can't change directory - $!";
}

  • Line 1: We use the unless statement to check whether the directory etce exists.
  • Line 2: Since the directory etce does not exist, the die statement terminates the execution of the code and causes an error message to be thrown.

RELATED TAGS

pearl
die method
communitycreator

CONTRIBUTOR

Chinweuba Elijah Azubuike

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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