open (FILE, ">>$db") or print STDERR "[$0] Could not open file! $!";

##</code><code>##

open (FILE, ">>$db") or die "[$0] Could not open file! $!";

##</code><code>##

if( open (FILE, ">>$db")) {
    print (FILE "Name:$name,Surname:$sname\n");
    close (FILE);

} else {
    print STDERR "[$0] Could not open file '$db': $!";
    print "<b>Sorry, an error happened: $!";
};