How To Install ruby-treetop on Ubuntu 18.04

In this tutorial we learn how to install ruby-treetop on Ubuntu 18.04. ruby-treetop is Ruby-based text parsing and interpretation DSL

Introduction

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

What is ruby-treetop

ruby-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 Ruby library implementation of treetop.

There are three methods to install ruby-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 ruby-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 ruby-treetop using apt-get by running the following command:

sudo apt-get -y install ruby-treetop

Install ruby-treetop Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-treetop

Install ruby-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 ruby-treetop using aptitude by running the following command:

sudo aptitude -y install ruby-treetop

How To Uninstall ruby-treetop on Ubuntu 18.04

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

sudo apt-get remove ruby-treetop

Uninstall ruby-treetop And Its Dependencies

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

sudo apt-get -y autoremove ruby-treetop

Remove ruby-treetop Configurations and Data

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

sudo apt-get -y purge ruby-treetop

Remove ruby-treetop configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ruby-treetop

References

Summary

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