How To Install alex on CentOS 7
Introduction
In this tutorial we learn how to install alex
on CentOS 7.
What is alex
Alex is a tool for generating lexical analysers in Haskell. It takes a description of tokens based on regular expressions and generates a Haskell module containing code for scanning text efficiently. It is similar to the tool lex or flex for C/C++.
We can use yum
or dnf
to install alex
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install alex.
Install alex on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install alex
using yum
by running the following command:
Install alex on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf
using the following command.
After updating yum database, We can install alex
using dnf
by running the following command:
How To Uninstall alex on CentOS 7
To uninstall only the alex
package we can use the following command:
References
Summary
In this tutorial we learn how to install alex
on CentOS 7 using yum
and dnf
.