自动清理IIS日志文件的脚本

mancha

function dellogfile(beforedays,dirname) {　　var fso = new ActiveXObject("Scripting.FileSystemObject");
　　var dir = fso.GetFolder(dirname);
　　for (var fc = new Enumerator(dir.SubFolders);!fc.atEnd(); fc.moveNext()) {
　　if (fc.item().name.substr(0,5) == "W3SVC") {
　　for (var logfiles = new Enumerator(fc.item().Files);!logfiles.atEnd(); logfiles.moveNext()) {
　　var fileName = logfiles.item().name;
　　var year = "20" + fileName.substr(2, 2);
　　var mouth = fileName.substr(4, 2);
　　var day = fileName.substr(6, 2);
　　var days = Math.round(((new Date()).getTime() - Date.UTC(year, mouth - 1,day)) / 1000 / 60 / 60 / 24);
　　if (days >= beforedays) logfiles.item().Delete();
　　}
　　}
　　}
　　}