Use the file watch function from PHPStorm on Mac OS X

This is a short tutorial how you can use the compass watch function that is new in PHPStorm, beginning with creating a gemset for compass and using this for PHPStorm.

1. Create a new gemset using rvm [1] and install compass [2]

   # create a new gemset and select it, using the short syntax from rvm
   rvm use ruby-1.9.3-p374@compass --create
   
   # validate that you use the correct gemset
   rvm gemset list
   
   # install compass
   gem install compass

2. Open PHPStorm and select a scss file
3. Now PHPStorm will ask if you want to add a FileWatcher
   Image may be NSFW.
   Clik here to view.
4. In the following dialog, enter the data:Image may be NSFW.
   Clik here to view.1:  The full path to your compass binary inside the gemset. For example:
   /Users/tlayh/.rvm/gems/ruby-1.9.3-p374@compass/bin/compass
   
   2: The argument is “compile“3: Working directory is where you config.rb file is located. Make sure that all data like css_dir and sass_dir and so on is configured there.4: Set environment variable to select the gemset as follows:
   GEM_HOME = /Users/tlayh/.rvm/gems/ruby-1.9.3-p374@compass
5. Thats all Image may be NSFW.
   Clik here to view. Enjoy.

Thanks @sritterkh

Resource:

[1] rvm

[2] compass

Image may be NSFW.
Clik here to view.