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/* xlsx.js (C) 2013-present  SheetJS -- http://sheetjs.com */
let sheetjs = try SheetJSCore();
try print(sheetjs.version());
let filenames: [[String]] = [  ["xlsx", "xlsx"],  ["xlsb", "xlsb"],  ["biff8.xls", "xls"],  ["xml.xls", "xlml"]];
for fn in filenames {  let wb: SJSWorkbook = try sheetjs.readFile(file: "sheetjs." + fn[0]);  let ws: SJSWorksheet = try wb.getSheetAtIndex(idx: 0);  let csv: String = try ws.toCSV();  print(csv);  let wbout: String = try wb.writeBStr(bookType: fn[1]);  try wbout.write(toFile: "sheetjsswift." + fn[0], atomically: false, encoding: String.Encoding.isoLatin1);}