Perl Interview Questions and Answers
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.
Advantages
- 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
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.
When your programme takes appropriate action against the error occurs which may occur during the programme execution.
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";
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', "smtp.myisp.net", AuthUser=>"id", AuthPass=>"password" );
In an established network connection, a socket call is the first call that creates a socket.
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.
Current version is 5.28.1
Yes! It is a case sensitive language.
Installation on Linux and Unix carry same process–
- Open your browser and hit this URL
https://www.perl.org/get.html. - 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
$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.