print scopifier ARGF.read
```
+When a `--version` argument is passed, a scopifier should print its version
+number and exit. For installable scopifiers, this allows context-coloring to
+check for updates as needed.
+
[linter]: http://jshint.com/about/
[flycheck]: http://www.flycheck.org/
[zenburn]: http://github.com/bbatsov/zenburn-emacs