Compass is a sass-based stylesheet framework that streamlines the creation and maintenance of CSS. Installation of gems required ruby so if you have ruby installed then skip to Installing Compass Gem else continue reading . You can confirm whether ruby is installed or not by
Note: Macbooks comes with ruby installed but we still recommend you the following method because of the restrictions in the default installation.
Installing rvm and ruby
For installing ruby we recommend to use rvm which is a ruby version manager that gives you functionality to use different versions of ruby with different projects. For installing rvm and ruby run following command.
\curl -sSL https://get.rvm.io | bash -s stable --ruby
Note: If you face permission error then run
sudo chown -R $(whoamI) /usr/local
Now start using the ruby provided by rvm by
rvm use ruby
Installing Compass Gem
These commands will install you compass gem
gem update --system gem install compass