# File lib/mspec/helpers/fs.rb, line 3
 3:   def cp(source, dest)
 4:     File.open(dest, "w") do |d|
 5:       File.open(source, "r") do |s|
 6:         while data = s.read(1024)
 7:           d.write data
 8:         end
 9:       end
10:     end
11:   end