I'm using Ruby 1.9 for this. I need to convert Ruby arrays into a Excel spreadsheet document (xls).
3 Answers
I use two gems to export to Excel-readable formats: Spreadsheet (can create/parse .xls) and FasterCSV (faster, but as far as I can remember doesn't work with .xls files)
Comments
I've had excellent results with WriteExcel (which is a Ruby port of a Perl library of the same name).