Convert a Excel file to a CSV file in Windows

xls2csv.js

function error(message) {
  excel.Quit();
  excel = null;
  WScript.Echo(message);
  WScript.Quit(1);
}

var argc = WScript.Arguments.Count();
if (argc !== 2) {
  WScript.Echo('xls2csv.js [source file] [target file]');
  WScript.Quit(1);
}

var filename = WScript.Arguments(0);
var saveFileName = WScript.Arguments(1);

var objFileSys = new ActiveXObject("Scripting.FileSystemObject");

filename = objFileSys.GetAbsolutePathName(filename);
saveFileName = objFileSys.GetAbsolutePathName(saveFileName);

objFileSys = null;

var excel = new ActiveXObject('Excel.Application');
excel.Visible = false;
excel.DisplayAlerts = false;

try {
  WScript.Echo('open: ' + filename);
  excel.Workbooks.Open(filename);
} catch (e) {
  error('open error');
}

try {
  WScript.Echo('save: ' + saveFileName);
  var book = excel.Workbooks(excel.Workbooks.Count);
  book.SaveAs(saveFileName, 6);
} catch (e) {
  error('save error');
}

excel.Quit();