test1.p

import ('io', 'time');

main(){
    print("Hello World!\n");

    print("string is %s and number is %.5n \n", 'hello world!', 3.14, 'format %n\n', 2);

    file = io.file;
    keyboard = io.keyboard;

    f = file.open("help.chw", 'r');

    print("open file by fd %n\n", f.fd);
    print("type of f %s\n", typeof(f));

    buf = f.read(f.length());
    print("%s\n", buf);

    print("tell %n\n", f.tell());

    print("cwd %s\n", file.cwd());
    print("rename %n\n", file.rename("help","help.chw"));

    f.close();

    t = time.tick();
    sum = 0;
    i = 0;
    while(i < 1000000){
        sum = sum + i;
        i = i + 1;
    }

    fmt = format("%.2n in %.8n sec\n", sum, (time.tick() - t) / 1000000);
    print(fmt);
    print("size of fmt %.2n\n", sizeof(fmt));
    print("type of fmt %s\n", typeof(fmt));

    list = [0,10,20,30,40,50,60,70,80,90];
    insert(list, 1, 300);
    delete(list, 1, 2, 3, 4, 5, 6, 7);

    print("%s %n\n", list, count(list));

    fls = file.walk("libs");

    i = 0;
    while(i < count(fls)){
        print("%s\n", fls[i]);
        i = i + 1;
    }

    keyboard.get();
}