Perl Interview Questions and Answers

Last updated on Feb 06, 2023
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Perl Interview Questions

Perl is an open source programming language generally developed for text manipulation, or we could say text editing. It is currently widely used for the task like web development, system administration, GUI development, network programming and more. Officially Perl does not have an acronym, but in backronyms people used it as Practical Extraction and Report Language. Are you for looking for Perl interview questions? As a Perl developer, you would want to know the best possible Perl interview questions and answers for freshers and experienced that you might be asked in your job Interview.


  • Perl is easy to understand
  • Versatile and mature programming language.
  • Perl is low cost as it available on MS-DOS , Windows NT, OS/2 etc.
  • Its multipurpose language nature makes its work on Imperative, Procedural, Functional or Object Oriented, depends upon need.

Most Frequently Asked Perl Interview Questions

Here in this article, we will be listing frequently asked Perl Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q1. Differentiate Chop & Chomp function.

Chop function and Chomp function both are used to eliminate the last character from an expression, each element of the list but in case of chomp function if values of elements match only then chomp will follow the elimination term. That is the reason why chomp is preferable more than chop.

Q2. What is error handling?

When your programme takes appropriate action against the error occurs which may occur during the programme execution.

Q3. What is a die function in error handling?

Die function is a kind of warning that leads an exit call. Which means it immediately terminates the execution in case of error occurrence.


chdir('/etc') or die "Can't change directory";

Q4. Which alternate will you use in case your machine is not running an email server?

We can go with SMTP Server which is available at a remote location along with requiring information as Id-password and URL. Once you get all these details to share your information to send() method


$msg->send('smtp', "", AuthUser=>"id", AuthPass=>"password" );

Q5. What is the socket call in advance Perl ?

In an established network connection, a socket call is the first call that creates a socket.

Q6. What is Subroutine in Perl?

A group of statements that perform a task side by side is called a subroutine. Code deviation is also provided by subroutine so that each can perform a specific task at the same time.

Q7. What is perl?
Perl is a dynamic programming language which gives a cross platform that used to create mission critical projects such as web development, network programming and many more.
Q8. What is the current version of Perl?

Current version is 5.28.1

Q9. Is Perl consider as case sensitive languge?

Yes! It is a case sensitive language.

Q10. How to install Perl on and Linux and Unix?

Installation on Linux and Unix carry same process–

  • Open your browser and hit this URL
  • Here you are supposed to download the zipped file.
  • To install this file prompt below commands on cmd.
    $tar -xzf perl-5.x.y.tar.gz
    $cd perl-5.x.y
    $./Configure -de
    $make test
    $make install

Perl has a standard location to install it in /usr/local/bin and its libraries will be installed in /usr/local/lib/perlXX, XX is the version of Perl that you have installed. Once you have done with all this process then you can check Perl version typing Perl –v on cmd.

Development History

Perl is developed by Larry Wall in 1987 and we currently we are using 5.28.1.

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