Make Test Data

gistfile1.rb

def writetext(filename, item, n, lines)
  open(filename, "w") do |f|
    lines.times do
      f.write item.shift * n
      f.write "\n"
    end
  end
end
 
a = ("a".."z").to_a
writetext(ARGV[0].to_s, a, ARGV[1].to_i, a.size)