class Thor::Shell::TablePrinter

def prepare(array)
  array = array.reject{|row| row == BORDER_SEPARATOR }
  @formats << "%-#{@colwidth + 2}s".dup if @colwidth
  start = @colwidth ? 1 : 0
  colcount = array.max { |a, b| a.size <=> b.size }.size
  start.upto(colcount - 1) do |index|
    maxima = array.map { |row| row[index] ? row[index].to_s.size : 0 }.max
    @maximas << maxima
    @formats << if options[:borders]
       "%-#{maxima}s".dup
    elsif index == colcount - 1
      # Don't output 2 trailing spaces when printing the last column
      "%-s".dup
    else
      "%-#{maxima + 2}s".dup
    end
  end
  @formats << "%s"
end