How To Install rlwrap on Ubuntu 18.04

In this tutorial we learn how to install rlwrap on Ubuntu 18.04. rlwrap is readline feature command line wrapper

Introduction

In this tutorial we learn how to install rlwrap on Ubuntu 18.04.

What is rlwrap

rlwrap is:

This package provides a small utility that uses the GNU readline library to allow the editing of keyboard input for any other command. Input history is remembered across invocations, separately for each command; history completion and search work as in bash and completion word lists can be specified on the command line.

There are three methods to install rlwrap 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 rlwrap Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install rlwrap

Install rlwrap Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install rlwrap using apt by running the following command:

sudo apt -y install rlwrap

Install rlwrap 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 rlwrap using aptitude by running the following command:

sudo aptitude -y install rlwrap

How To Uninstall rlwrap on Ubuntu 18.04

To uninstall only the rlwrap package we can use the following command:

sudo apt-get remove rlwrap

Uninstall rlwrap And Its Dependencies

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

sudo apt-get -y autoremove rlwrap

Remove rlwrap Configurations and Data

To remove rlwrap configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge rlwrap

Remove rlwrap configuration, data, and all of its dependencies

We can use the following command to remove rlwrap configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge rlwrap

References

Summary

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