On Aug 30, 2006, at 11:49 PM, Tom Allison wrote: > I'm trying to run 'ruby -d foo.rb' and the d is either ignored or I > don't understand how it works. The code just runs as if there is > no -d option. > > Does this require something at compile time of Ruby that I might > have overlooked? > Maybe you wanted ruby -rdebug -d foo.rb ?