in_groups(number, fill_with = nil)
Instance Public methods
Splits or iterates over the array in number of groups, padding
any remaining slots with fill_with unless it is
false.
%w(1 2 3 4 5 6 7 8 9 10).in_groups(3) {|group| p group}
["1", "2", "3", "4"]
["5", "6", "7", nil]
["8", "9", "10", nil]
%w(1 2 3 4 5 6 7 8 9 10).in_groups(3, ' ') {|group| p group}
["1", "2", "3", "4"]
["5", "6", "7", " "]
["8", "9", "10", " "]
%w(1 2 3 4 5 6 7).in_groups(3, fals