gistfile1.txt

$.ajax({
              url: "<%= portfolios_calculate_path %>", // Route to the Script Controller method
              type: "GET",
            	dataType: "json",
              data: portfolio_data, // This goes to Controller in params hash, i.e. params[:file_name]
            	complete: function() {},
             	success: function(data, textStatus, xhr) {
                // Do something with the response here
                alert("it worked!"); // Show the file contents in our editor.
              },
              error: function(error) {
                alert("Ajax error!" + error)
              }
    		});