C ++ getch () in perl?

Question

In C ++, there is a functio function, getch (), which returns the variable of the key you pressed - for example, enter 13. How can I do this in perl?

Answer 1

You can use Term :: ReadKey .

Answer 2

:

$x = ord(getc);

in detail:

$c = getc(STDIN);
$x = ord($c);

from perldoc -f getc:

"However, it cannot be used by itself to fetch single 
characters without waiting for the user to hit enter. 
For that, try something more like":

   1.  if ($BSD_STYLE) {
   2. system "stty cbreak </dev/tty >/dev/tty 2>&1";
   3. }
   4. else {
   5. system "stty", '-icanon', 'eol', "\001";
   6. }
   7.
   8. $key = getc(STDIN);
   9.
  10. if ($BSD_STYLE) {
  11. system "stty -cbreak </dev/tty >/dev/tty 2>&1";
  12. }
  13. else {
  14. system 'stty', 'icanon', 'eol', '^@'; # ASCII NUL
  15. }
  16. print "\n";