Direct downloading a xls file without writing it to the directory by Spreadsheet gem

Question

I am using this Spreadsheet gem to export xls file.

I have the following codes in my controller:

def export
  @data = Data.all

  book = Spreadsheet:         


        

Answer 1

I understand this is insanely old, but I was looking for it so someone else might be.

This is the answer. (I'm using Sinatra.)

https://github.com/zdavatz/spreadsheet/issues/125#issuecomment-370157753