irb(main):090:0> (0..99).to_a.every(10) { |as_array| irb(main):091:1* puts as_array.inspect irb(main):092:1> } [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] [10, 11, 12, 13, 14, 15, 16, 17, 18, 19] [20, 21, 22, 23, 24, 25, 26, 27, 28, 29] [30, 31, 32, 33, 34, 35, 36, 37, 38, 39] [40, 41, 42, 43, 44, 45, 46, 47, 48, 49] [50, 51, 52, 53, 54, 55, 56, 57, 58, 59] [60, 61, 62, 63, 64, 65, 66, 67, 68, 69] [70, 71, 72, 73, 74, 75, 76, 77, 78, 79] [80, 81, 82, 83, 84, 85, 86, 87, 88, 89] [90, 91, 92, 93, 94, 95, 96, 97, 98, 99] => 10 irb(main):093:0>