How To Install ghc-haskeline on CentOS 7
Introduction
In this tutorial we learn how to install ghc-haskeline on CentOS 7.
What is ghc-haskeline
Haskeline provides a user interface for line input in command-line programs. This library is similar in purpose to readline, but since it is written in Haskell it is (hopefully) more easily used in other Haskell programs. Haskeline runs both on POSIX-compatible systems and on Windows.
We can use yum or dnf to install ghc-haskeline on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install ghc-haskeline.
Install ghc-haskeline on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install ghc-haskeline using yum by running the following command:
sudo yum -y install ghc-haskeline
Install ghc-haskeline 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.
sudo dnf makecache
After updating yum database, We can install ghc-haskeline using dnf by running the following command:
sudo dnf -y install ghc-haskeline
How To Uninstall ghc-haskeline on CentOS 7
To uninstall only the ghc-haskeline package we can use the following command:
sudo dnf remove ghc-haskeline
References
Summary
In this tutorial we learn how to install ghc-haskeline on CentOS 7 using yum and dnf.
