I timed it on a 329MB 'tags' file I had lying around, and got 30.6 seconds for the lisp version, vs. 1.07 seconds for the BSD-style `wc` shipped with OSX. I use

I timed it on a 329MB 'tags' file I had lying around, and got 30.6 seconds for the lisp version, vs. 1.07 seconds for the BSD-style `wc` shipped with OSX. I used SBCL installed from brew.