December 4, 2011 at 10:50 PM by Dr. Drang My TextExpander/shell script post of last week reminded me of Doug McIlroy and some unfinished business from back in October. So let’s talk about shell scripts and Unix again. In the comments to my October post about the early Unix developers and what good writers they were, Bill Cheswick mentioned Doug McIlroy, and said it was a shame I’d omitted him from