function readfile(filename) {
    var ForReading = 1;
    var fso, f, s = "";
    fso = new ActiveXObject("Scripting.FileSystemObject");
    f = fso.OpenTextFile(filename, ForReading, false);
    try {
        s = f.ReadAll();
    } catch(e) {
        // ...
    }
    return s;
}

var s = readfile("1.txt");
WScript.Echo(s);
var a = s.split("\r\n");
WScript.Echo(":" + a[0] + ":");