Method: Columnize::Columnizer#arrange_by_row

Defined in:

lib/columnize/columnize.rb

#arrange_by_row(list, nrows, ncols) ⇒ Object

Given list, ncols, nrows, arrange the one-dimensional array into a 2-dimensional lists of lists organized by rows.

In either horizontal or vertical arrangement, we will need to access this for the list data or for the width information.

Here is an example: arrange_by_row((1..5).to_a, 3, 2) =>

[[1,2], [3,4], [5]],

# File 'lib/columnize/columnize.rb', line 119

def arrange_by_row(list, nrows, ncols)
  (0...nrows).map {|r| list[r*ncols, ncols] }.compact
end