Install ruby-spreadsheet by entering the following commands in the terminal:
sudo apt update sudo apt install ruby-spreadsheet
Description:
Ruby library for manipulating MS Excel (.xls) spreadsheets
This module provides a pure-Ruby implementation of a spreadsheet manipulation library, allowing for creating, reading and modifying files in the Microsoft Excel (.xls) format.
Homepage: http://spreadsheet.rubyforge.org
Version: 1.0.0-1
Section: universe/ruby