The Ruby Spreadsheet

The Spreadsheet Library is designed to read and write Spreadsheet Documents. As of version 0.6.0, only Microsoft Excel compatible spreadsheets are supported. Spreadsheet is a combination/complete rewrite of the Spreadsheet::Excel Library by Daniel J. Berger and the ParseExcel Library by Hannes Wyss. Spreadsheet can read, write and modify Spreadsheet Documents.

Google Groups Discussions can be found here: http://groups.google.de/group/comp.lang.ruby/browse_thread/thread/2ec6db9ac7565bb6