- Explicitly flush stdout before sleep between iterations
- Only clear user keystrokes when output is to TTY
- Add a newline between output batches when output is not to TTY
if (arg_iterations && iteration >= arg_iterations)
break;
+ if (!on_tty()) /* non-TTY: Empty newline as delimiter between polls */
+ fputs("\n", stdout);
+ fflush(stdout);
+
if (arg_batch) {
usleep(last_refresh + arg_delay - t);
} else {
}
}
- fputs("\r \r", stdout);
- fflush(stdout);
+ if (on_tty()) { /* TTY: Clear any user keystroke */
+ fputs("\r \r", stdout);
+ fflush(stdout);
+ }
if (arg_batch)
continue;