Calling external command from Cycript

// SAURIKS VERSION (not working, but works of I setLaunchPath as "/usr/bin/curl" and its respective args)
function parse1() {
    var task = [new NSTask init];
    [task setLaunchPath:"/usr/bin/symbolicate"];
    [task setArguments:["/var/root/LatestCrash.plist"]];
    var pipe = [NSPipe pipe];
    [task setStandardOutput:pipe];
    [task launch];
    return [new NSString initWithData:[pipe.fileHandleForReading readDataToEndOfFile] encoding:1];
}

// MY VERSION (not working, but works of I setLaunchPath as "/usr/bin/curl" and its respective args)
function parse2() {
    var task = [[[NSTask alloc] init] autorelease];
    var pipe = [NSPipe pipe];

    task.launchPath = "/usr/bin/symbolicate";
    task.arguments = Array("/var/root/LatestCrash.plist");

    [task setStandardOutput:pipe];

    [task launch];
    [task waitUntilExit];

    return [new NSString initWithData:[pipe.fileHandleForReading readDataToEndOfFile] encoding:1];
}