How To Install cl-simple-date on Ubuntu 20.04

In this tutorial we learn how to install cl-simple-date on Ubuntu 20.04. cl-simple-date is Common Lisp types for dates, timestamps, and intervals

Introduction

In this tutorial we learn how to install cl-simple-date on Ubuntu 20.04.

What is cl-simple-date

cl-simple-date is:

Simple-date provides types (CLOS classes) for dates, timestamps, and intervals similar to the ones SQL databases use, in order to be able to store and read these to and from a database in a straighforward way. A few obvious operations are defined on these types.

The most glaring defect of this library is its ignorance of time zones. It pretends the whole world lives in UTC. Use with care.

When this library is loaded after CL-postgres, it will register suitable SQL readers and writers for the associated database types.

There are three methods to install cl-simple-date on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install cl-simple-date Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install cl-simple-date

Install cl-simple-date Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install cl-simple-date using apt by running the following command:

sudo apt -y install cl-simple-date

Install cl-simple-date 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 cl-simple-date using aptitude by running the following command:

sudo aptitude -y install cl-simple-date

How To Uninstall cl-simple-date on Ubuntu 20.04

To uninstall only the cl-simple-date package we can use the following command:

sudo apt-get remove cl-simple-date

Uninstall cl-simple-date And Its Dependencies

To uninstall cl-simple-date and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove cl-simple-date

Remove cl-simple-date Configurations and Data

To remove cl-simple-date configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge cl-simple-date

Remove cl-simple-date configuration, data, and all of its dependencies

We can use the following command to remove cl-simple-date configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge cl-simple-date

References

Summary

In this tutorial we learn how to install cl-simple-date package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.