Last access time of specific file (TTY)

[danikdanik]

Hello all,

The folowing code below returns the same last access time of the tty i am writing to for every loop iteration, what just can't be true. What am I doing wrong? Is there any other way to get the last access time? anything faster,as I need to get the info many times ?
btw, what is the difference between last access time and last modifiaction time of a file?

my $curr_tty = `tty`;
chomp($curr_tty);
my $i = 1;
while (1) {
        $curr_tty_time = (stat($curr_tty))[8];
        print "$i, $curr_tty_time\n";
        sleep 4;
        $i++;   
}

Thanks in advance for any help!