How to split (chunk) a Ruby array into parts of X elements? [duplicate]

ruby arrays

foo.each_slice(3).to_a#=> [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"], ["10"]]

ruby arrays

If you're using rails you can also use in_groups_of:

foo.in_groups_of(3)

CodeHunter