# File split/Dvector/lib/Dvector_extras.rb, line 218 def Dvector.write(file, cols, options = {}) ops = WRITE_DEFAULTS.update(options) if file.is_a?(String) file = File.open(file, ops["write_mode"]) end nb = cols.map {|d| d.size}.max # The number of lines nb.times do |i| file.puts(cols.map {|d| d[i].to_s }.join(ops["sep"])) end end