How To Install libdir-self-perl on Ubuntu 18.04

In this tutorial we learn how to install libdir-self-perl on Ubuntu 18.04. libdir-self-perl is module providing a DIR constant for the directory of the source file

Introduction

In this tutorial we learn how to install libdir-self-perl on Ubuntu 18.04.

What is libdir-self-perl

libdir-self-perl is:

Perl has two pseudo-constants describing the current location in your source code, FILE and LINE. Dir::Self adds DIR, which expands to the directory your source file is in, as an absolute pathname.

This is useful if your code wants to access files in the same directory, like helper modules or configuration data. This is a bit like FindBin except it’s not limited to the main program, i.e. you can also use it in modules. And it actually works.

There are three methods to install libdir-self-perl on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libdir-self-perl Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libdir-self-perl using apt-get by running the following command:

sudo apt-get -y install libdir-self-perl

Install libdir-self-perl Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libdir-self-perl using apt by running the following command:

sudo apt -y install libdir-self-perl

Install libdir-self-perl Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libdir-self-perl using aptitude by running the following command:

sudo aptitude -y install libdir-self-perl

How To Uninstall libdir-self-perl on Ubuntu 18.04

To uninstall only the libdir-self-perl package we can use the following command:

sudo apt-get remove libdir-self-perl

Uninstall libdir-self-perl And Its Dependencies

To uninstall libdir-self-perl and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libdir-self-perl

Remove libdir-self-perl Configurations and Data

To remove libdir-self-perl configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libdir-self-perl

Remove libdir-self-perl configuration, data, and all of its dependencies

We can use the following command to remove libdir-self-perl configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libdir-self-perl

References

Summary

In this tutorial we learn how to install libdir-self-perl package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.