file f = fileOpen(args[0], "r");
for (s in f.readLine())
    prin(s);
print("----- and again all at once ----");
prin(fileReadAll(args[0]));
----- and again all at once ----
file f = fileOpen(args[0], "r");
for (s in f.readLine())
    prin(s);
print("----- and again all at once ----");
prin(fileReadAll(args[0]));
