grepping for ping isn't going to find [112, 105, 110, 103, 32, 108, 46, 116, 118] grepping for [112, 105, 110, 103, 32, 108, 46, 116, 118] isn't going to find [100 + 12, 100 + 5, 100 + 10, 100 + 3, 30 + 2, 100 + 8, 40 + 6, 110 + 6, 110 + 8]