On Apr 5, 5:34 pm, "Ara.T.Howard" <ara.t.how... / noaa.gov> wrote: > harp:~ > cat errno > #! /usr/bin/env ruby > 256.times do |errno| > puts "#{ errno } => #{ SystemCallError.new(errno).inspect }" > end Nice. Hmm... How about an inheritance tree too? T.