How To Install ruby-trollop on Ubuntu 18.04

In this tutorial we learn how to install ruby-trollop on Ubuntu 18.04. ruby-trollop is command-line argument processing library

Introduction

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

What is ruby-trollop

ruby-trollop is:

Trollop is YAFCLAP — yet another fine commandline argument processor for Ruby. Trollop is designed to provide the maximal amount of GNU-style argument processing in the minimum number of lines of code (for you, the programmer).

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

sudo apt-get -y install ruby-trollop

Install ruby-trollop Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ruby-trollop

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

sudo aptitude -y install ruby-trollop

How To Uninstall ruby-trollop on Ubuntu 18.04

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

sudo apt-get remove ruby-trollop

Uninstall ruby-trollop And Its Dependencies

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

sudo apt-get -y autoremove ruby-trollop

Remove ruby-trollop Configurations and Data

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

sudo apt-get -y purge ruby-trollop

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

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

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

References

Summary

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