Thе auto-converter that compiles stylus file in native css and changing their extension.
It can be useful if you decided to switch a new preprocessor like post.css.
The first argument is directory in which will found all files, recursively (using glob module).
The second argument is extension, default - .css.
# It converts all files with .styl extensions from styles directory
# into files with .post.css extensions.
node index.js /styles .post.css