How To Install elpa-ws-butler on Ubuntu 20.04
Introduction
In this tutorial we learn how to install elpa-ws-butler
on Ubuntu 20.04.
What is elpa-ws-butler
elpa-ws-butler is:
This package provides ws-butler-mode and ws-butler-global-mode. Upon saving a file in Emacs, these modes delete trailing whitespace on lines of the buffer that have been edited.
As compared with simply calling delete-trailing-whitespace in your before-save-hook, ws-butler has the advantage of not cluttering up version control commits with whitespace cleanup outside of the part of the file you have edited.
There are three methods to install elpa-ws-butler
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 elpa-ws-butler Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install elpa-ws-butler
using apt-get
by running the following command:
sudo apt-get -y install elpa-ws-butler
Install elpa-ws-butler Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install elpa-ws-butler
using apt
by running the following command:
sudo apt -y install elpa-ws-butler
Install elpa-ws-butler 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 elpa-ws-butler
using aptitude
by running the following command:
sudo aptitude -y install elpa-ws-butler
How To Uninstall elpa-ws-butler on Ubuntu 20.04
To uninstall only the elpa-ws-butler
package we can use the following command:
sudo apt-get remove elpa-ws-butler
Uninstall elpa-ws-butler And Its Dependencies
To uninstall elpa-ws-butler
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove elpa-ws-butler
Remove elpa-ws-butler Configurations and Data
To remove elpa-ws-butler
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge elpa-ws-butler
Remove elpa-ws-butler configuration, data, and all of its dependencies
We can use the following command to remove elpa-ws-butler
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge elpa-ws-butler
References
Summary
In this tutorial we learn how to install elpa-ws-butler
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.