Random Selection Chance Counter

random.rb

#!/usr/bin/env ruby
$randwins = 0
$swins = 0
$equal = 0
$tried = []
ARGV[0].to_i.times do
$times = 0
$num = rand(1..9)
$sel = rand(1..$num)
loop do
 $times += 1
 loop do
  $randn = rand(1..$num)
  break unless $tried.include?($randn)
 end
 if $randn == $sel
  $tried = []
  if $times > $sel
   $swins += 1
  elsif $times < $sel
   $randwins += 1
  else
   $equal +=1
  end
  break
 else
  $tried.push($randn)
 end
end
end
puts "random:        #{$randwins}"
puts "sequential:    #{$swins}"
puts "equal:         #{$equal}"