How To Install whiff on Ubuntu 18.04

In this tutorial we learn how to install whiff on Ubuntu 18.04. whiff is helper to find the first executable of a series of alternatives

Introduction

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

What is whiff

whiff is:

whiff command, which takes a number of command names and returns the first one that exists and is executable.

It assumes that all the arguments form a best-first list of alternatives, and only prints the path to the first alternative found in the path. If none is found, it prints an error (to stderr) and exits with an error code.

A programmer interface is available in the App::Whiff module.

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

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

sudo apt-get update

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

sudo apt-get -y install whiff

Install whiff Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install whiff

Install whiff 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 whiff using aptitude by running the following command:

sudo aptitude -y install whiff

How To Uninstall whiff on Ubuntu 18.04

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

sudo apt-get remove whiff

Uninstall whiff And Its Dependencies

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

sudo apt-get -y autoremove whiff

Remove whiff Configurations and Data

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

sudo apt-get -y purge whiff

Remove whiff configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge whiff

References

Summary

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