Break up a string with \n every 30 chars [closed]
if @square.text.length > 30
  text = @square.text[0, 31] + "n" + @square.text[31, @square.text.length]
else
   text = @square.text
end

include ActionView::Helpers::TextHelper
# or, if you are in a controller
# helper :text

word_wrap(@square.text, :line_width => 30)