How To Install libterm-readline-gnu-perl on Ubuntu 20.04

In this tutorial we learn how to install libterm-readline-gnu-perl on Ubuntu 20.04. libterm-readline-gnu-perl is Perl extension for the GNU ReadLine/History Library

Introduction

In this tutorial we learn how to install libterm-readline-gnu-perl on Ubuntu 20.04.

What is libterm-readline-gnu-perl

libterm-readline-gnu-perl is:

Term::ReadLine::Gnu is a Perl interface to the GNU ReadLine Library, allowing developers to provide features including input line editing, input history management, word completion and more.

Through this module, you have access to almost all variables and functions as documented in the GNU ReadLine/History Library. This means you can write your custom editing function, custom completion function, and so on, with Perl. You may find it useful for prototyping before programming with C.

There are three methods to install libterm-readline-gnu-perl on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libterm-readline-gnu-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 libterm-readline-gnu-perl using apt-get by running the following command:

sudo apt-get -y install libterm-readline-gnu-perl

Install libterm-readline-gnu-perl Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libterm-readline-gnu-perl using apt by running the following command:

sudo apt -y install libterm-readline-gnu-perl

Install libterm-readline-gnu-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 libterm-readline-gnu-perl using aptitude by running the following command:

sudo aptitude -y install libterm-readline-gnu-perl

How To Uninstall libterm-readline-gnu-perl on Ubuntu 20.04

To uninstall only the libterm-readline-gnu-perl package we can use the following command:

sudo apt-get remove libterm-readline-gnu-perl

Uninstall libterm-readline-gnu-perl And Its Dependencies

To uninstall libterm-readline-gnu-perl and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libterm-readline-gnu-perl

Remove libterm-readline-gnu-perl Configurations and Data

To remove libterm-readline-gnu-perl configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libterm-readline-gnu-perl

Remove libterm-readline-gnu-perl configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge libterm-readline-gnu-perl

References

Summary

In this tutorial we learn how to install libterm-readline-gnu-perl package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.