How To Install ocaml-ulex on Debian 9

In this tutorial we learn how to install ocaml-ulex on Debian 9. ocaml-ulex is OCaml lexer generator with Unicode support

Introduction

In this tutorial we learn how to install ocaml-ulex on Debian 9.

What is ocaml-ulex

ocaml-ulex is:

ulex is a lexer generator for the Objective Caml (OCaml) programming language.

It is implemented as a Camlp4 syntax extension: lexer specifications are embedded in regular OCaml code.

Generated lexers work with a new kind of “lexbuf” that supports Unicode; a single lexer can work with arbitrary encodings of the input stream.

There are three methods to install ocaml-ulex on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ocaml-ulex Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ocaml-ulex

Install ocaml-ulex Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ocaml-ulex

Install ocaml-ulex 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install ocaml-ulex using aptitude by running the following command:

sudo aptitude -y install ocaml-ulex

How To Uninstall ocaml-ulex on Debian 9

To uninstall only the ocaml-ulex package we can use the following command:

sudo apt-get remove ocaml-ulex

Uninstall ocaml-ulex And Its Dependencies

To uninstall ocaml-ulex and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove ocaml-ulex

Remove ocaml-ulex Configurations and Data

To remove ocaml-ulex configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge ocaml-ulex

Remove ocaml-ulex configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ocaml-ulex

Dependencies

ocaml-ulex have the following dependencies:

References

Summary

In this tutorial we learn how to install ocaml-ulex package on Debian 9 using different package management tools: apt, apt-get and aptitude.