gistfile1.txt

def columnize list, cols = 3, width = ENV['COLUMNS'].to_i
  list.size.times { |i|
    next if i%cols != 0
    cols.times { |x|
      break unless list[i+x]
      print list[i+x][0,width/cols].ljust(width/cols)
    }
    puts
  }
end