function cp(args:Array<string>, curdir:any):string {
    var buf = "";
    if(args.length == 2) {
        if (curdir[args[0]] != undefined) {
            if (typeof curdir[args[0]] == "string") {
                curdir[args[1]] = curdir[args[0]].slice(0);
                buf += "File " + args[0] + " copied to " + args[1] + "\n";
            }
            else {
                buf += "Error: " + args[0] + " is not a file\n";
            }
        }
        else {
            buf += "Error: " + args[0] + " does not exist\n";
        }
    }
    else {
        buf += "Wrong number of arguments.\n";
    }
    return buf;
}
export { cp };