On Thu, Jul 14, 2011 at 12:30 AM, Ryan Davis <ryand-ruby / zenspider.com> wro= te: > > What you really want to execute is: > >> (1..100).each do |num| >> =A0 FileUtils.mkdir "Prefix-%03d" % num >> end *facepalm* That's what I wanted to type. So used to format strings doing it the non-Ruby way that muscle memory got me. My apologies! --=20 Phillip Gawlowski twitter.com/phgaw phgaw.posterous.com A method of solution is perfect if we can forsee from the start, and even prove, that following that method we shall attain our aim. =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0-- Leibniz