# File lib/rake/application.rb, line 208
208:     def have_rakefile
209:       @rakefiles.each do |fn|
210:         if File.exist?(fn)
211:           others = FileList.glob(fn, File::FNM_CASEFOLD)
212:           return others.size == 1 ? others.first : fn
213:         elsif fn == ''
214:           return fn
215:         end
216:       end
217:       return nil
218:     end