Setting up Emacs for Ruby Programming
How to Set Up Emacs for Ruby Programming in Seconds
This is a short note how you can set up your Emacs editor for programming in Ruby within seconds.
The settings for your emacs is explained in detail this blog here.
I personally in my Ubuntu Linux home folder created a folder named
emacs to put there all kind of settings for my
emacs. Here, I create a folder for
ruby in this folder and enter it:
$ mkdir -p ~/emacs/ruby
$ cd ~/emacs/ruby
git clone a folder containing the
init.el file with all necessary settings for ruby programming by:
$ git clone https://github.com/worace/emacs-for-ruby
And now comes the step and knowledge which took most of the time to find it out:
Usually emacs people do something like
$ mv ~/.emacs.d ~/.emacs.d.orig
$ mv ~/some_settings_folder ~/.emacs.d
And later have to name the renamed folders back. This is quite error prone.
A better solution is to start your emacs by:
$ env HOME=$HOME/emacs/ruby/emacs-for-ruby emacs &
This defines the folder containing the
init.el for emacs as
$HOME for the command
emacs &. The disadvantage however is, if you call system commands from within your script using absolute paths or paths requiring your actual
The advantage however is that you don’t have to rename folders which can mess things up a lot.
Since I want to call emacs for ruby programming by the command
$ ruem (for rubyemacs), I add to my
alias rubyemacs="env HOME=$HOME/emacs/ruby/emacs-for-ruby emacs &"
~/.bashrc, and can call my emacs with ruby settings by:
In my particular case, since I have my
emacs locally installed in a
conda envrionment named
emacs, I entered into my
alias rubyemacs="source activate emacs && env HOME=$HOME/emacs/ruby/emacs-for-ruby emacs &"
This activates first the
conda environment by
source activate emacs (or
conda activate emacs, before it calls
emacs with the newly defined
init.el file of
emacs-for-ruby takes care of all necessary installations in emacs’ site.