# File lib/spreadsheet/excel/writer/workbook.rb, line 480 def write_sst workbook, writer, offset # Offset Size Contents # 0 4 Total number of strings in the workbook (see below) # 4 4 Number of following strings (nm) # 8 var. List of nm Unicode strings, 16-bit string length (➜ 3.4) strings = worksheets(workbook).inject [] do |memo, worksheet| memo.concat worksheet.strings end total = strings.size strings.uniq! _write_sst workbook, writer, offset, total, strings end