#!./perl

print "1..18\n";

$foo = 'STDOUT';
print $foo "ok 1\n";

print "ok 2\n","ok 3\n","ok 4\n";
print STDOUT "ok 5\n";

open(foo,">-");
print foo "ok 6\n";

printf "ok %d\n",7;
printf("ok %d\n",8);

@a = ("ok %d%c",9,ord("\n"));
printf @a;

$a[1] = 10;
printf STDOUT @a;

$, = ' ';
$\ = "\n";

print "ok","11";

@x = ("ok","12\nok","13\nok");
@y = ("15\nok","16");
print @x,"14\nok",@y;
{
    local $\ = "ok 17\n# null =>[\000]\nok 18\n";
    print "";
}