bubble1.rb

elems = 10.times.to_a.shuffle

p elems

loop do
  changed = false
  (0..(elems.size-2)).each do |i|
    if elems[i] > elems[i+1]
      elems[i], elems[i+1] = elems[i+1], elems[i]
      changed = true
      p elems
    end
  end
  break unless changed
end

gistfile1.txt

Sample output

[2, 7, 1, 6, 5, 0, 9, 3, 4, 8]
[2, 1, 7, 6, 5, 0, 9, 3, 4, 8]
[2, 1, 6, 7, 5, 0, 9, 3, 4, 8]
[2, 1, 6, 5, 7, 0, 9, 3, 4, 8]
[2, 1, 6, 5, 0, 7, 9, 3, 4, 8]
[2, 1, 6, 5, 0, 7, 3, 9, 4, 8]
[2, 1, 6, 5, 0, 7, 3, 4, 9, 8]
[2, 1, 6, 5, 0, 7, 3, 4, 8, 9]
[1, 2, 6, 5, 0, 7, 3, 4, 8, 9]
[1, 2, 5, 6, 0, 7, 3, 4, 8, 9]
[1, 2, 5, 0, 6, 7, 3, 4, 8, 9]
[1, 2, 5, 0, 6, 3, 7, 4, 8, 9]
[1, 2, 5, 0, 6, 3, 4, 7, 8, 9]
[1, 2, 0, 5, 6, 3, 4, 7, 8, 9]
[1, 2, 0, 5, 3, 6, 4, 7, 8, 9]
[1, 2, 0, 5, 3, 4, 6, 7, 8, 9]
[1, 0, 2, 5, 3, 4, 6, 7, 8, 9]
[1, 0, 2, 3, 5, 4, 6, 7, 8, 9]
[1, 0, 2, 3, 4, 5, 6, 7, 8, 9]
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]