How To Install treetop on Ubuntu 18.04

In this tutorial we learn how to install treetop on Ubuntu 18.04. treetop is Ruby-based text parsing and interpretation (command-line utility)

Introduction

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

What is treetop

treetop is:

Treetop is a language for describing languages. It provides a Ruby implementation of a custom language based on parsing expression grammars (PEGs).

This package provides the top-level utility script tt.

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

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

sudo apt-get update

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

sudo apt-get -y install treetop

Install treetop Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install treetop

Install treetop 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 treetop using aptitude by running the following command:

sudo aptitude -y install treetop

How To Uninstall treetop on Ubuntu 18.04

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

sudo apt-get remove treetop

Uninstall treetop And Its Dependencies

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

sudo apt-get -y autoremove treetop

Remove treetop Configurations and Data

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

sudo apt-get -y purge treetop

Remove treetop configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge treetop

References

Summary

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