Install the ruby RVM on a mac

install_ruby_rvm.sh

#!/bin/bash

echo ''
echo ''
echo ''
echo "This script automates the instructions found on this webpage: http://code.tutsplus.com/tutorials/how-to-install-ruby-on-a-mac--net-21664"
echo ''
echo ''
echo ''

#### Download and install RVM stuff
curl -L https://get.rvm.io | bash -s stable --rails --autolibs=enabled # Or, --ruby=2.1.3

#### Configure your shell to use the RVM
bashrc_rvm='[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"  # This loads RVM into a shell session. It MUST be the LAST PART of this file!!'

# Append to your shell initiation file
bash_profile=${HOME}/.bash_profile
bash_login=${HOME}/.bash_login
profile=${HOME}/.profile
zshrc=${HOME}/.zshrc

shell_init=''

if [ -f "$bash_profile" ]
then

	echo $bashrc_rvm >> $bash_profile
	shell_init=$bash_profile

elif [ -f "$bash_login" ]
then

	echo $bashrc_rvm >> $bash_login
	shell_init=$bash_login

elif [ -f "$profile" ]
then
	
	echo $bashrc_rvm >> $profile
	shell_init=$profile

elif [ $zshrc ]
then

	echo $bashrc_rvm >> $zshrc
	shell_init=$zshrc

else

	echo "No shell init file found!!"
	exit

fi

#### reinitialize the shell to use the RVM
source $shell_init

#### Install ruby 2.1.3 and switch to that version
rvm install 2.1.3
rvm use 2.1.3

# make this version default
rvm --default use 2.1.3