Compile Sass & Slim via this sublime build. Put into `Sublime Text 2/packages/user/`

Sass & Slim.sublime-build.js

{
	"cmd": ["if [ \"$file_extension\" = \"sass\" ]; then sass --watch $file_name:../${file_base_name}.css --style compressed; elif [ \"$file_extension\" = \"slim\" ]; then slimrb -p $file_name ../$file_base_name.html; fi"],
	"selector": "source.slim,source.sass",
	"working_dir": "$file_path",
	"path": "/usr/local/bin:$PATH",
	"shell": true
}