rubying while true

output.txt

~/dev/lab/ruby $ ruby rubying_while_true.rb
 10/10 100.0%  ██████████
  9/10  90.0%  █████████
  8/10  80.0%  ████████
  7/10  70.0%  ███████
  6/10  60.0%  ██████
  5/10  50.0%  █████
  4/10  40.0%  ████
  3/10  30.0%  ███
  2/10  20.0%  ██
  1/10  10.0%  █
  0/10   0.0%

rubying_while_true.rb

a = 10
b = a

while true
  print " #{a.to_s.rjust(b.to_s.length)}/#{b} #{((a/b.to_f)*100.to_i).to_s.rjust(5)}%  "
  ((a/b.to_f)*10).to_i.times {|n| print "\u2588".encode('utf-8') }
  puts " "
  break if a < 1
  sleep 1
  a = a - 1
end