*UNMAINTAINED* A lightweight, fast XLSX reader
Use roo or creek for streaming xlsx parsing.
Super simple, super fast stream-based XLSX parsing. Suitable for very large files.
Requires Ruby 2.0 or later.
require 'dullard'
workbook = Dullard::Workbook.new "file.xlsx"
workbook.sheets[0].rows.each do |row|
p row # => ["a","b","c", 0.3, #<DateTime: -4712-01-01....>, ...]
end