WSH(JS) からExcelのセル読み取ったりなんだりする

gistfile1.js

function err(message){
	WScript.Echo(message);
}

function isSuffix(target, suffix){
	return target.indexOf(suffix, target.length - suffix.length) !== -1;
}


function main(){

	if ( WScript.Arguments.length !== 1 ){
		err("引数１つにしろ");
		return 1;
	}
	
	var fname = WScript.Arguments(0);
	
	if( (!isSuffix(fname, 'xls')) && (!isSuffix(fname, 'xlsx')) ){
		err("Excelじゃないんじゃない");
		return 1;
	}

	var outfname = WScript.ScriptFullName.substring(0,WScript.ScriptFullName.length - WScript.ScriptName.length) + "\\test.txt";
	var excel = new ActiveXObject("Excel.Application");
	excel.visible = true;
	excel.Workbooks.Open(fname);
	
	var sheetsCount = excel.ActiveWorkbook.Sheets.Count

	var fs = new ActiveXObject("Scripting.FileSystemObject");
	var outstream = fs.CreateTextFile(outfname);
	
	for(var i=0;i<sheetsCount; i++ ){
		var sheet = excel.ActiveWorkbook.Sheets.Item(i+1);
		outstream.WriteLine("#################" + sheet.Name + "#################");
		var line = 5;
		while(line < 30){
			WScript.Echo(sheet.Range("B" + line).Value);
			line++;
		}
		
	}
	
	outstream.Close()
	
	excel.Quit();
	
}

main();