Leaky Script

leaky_script.rb

#!/usr/bin/env ruby

# demo that command line environment variables are leaky
#
# 1.  copy this gist into a file called leady_script.rb
# 2.  make it executable => $ chmod +x leady_script.rb
# 3.  run it w/ an environment variable => $ SECRET="My PIN code is 12345" ./leaky_script.rb
# 4.  in another window, find pid for script => $ ps -ef | grep leaky_script
# 5.  find environment variables:
#     * On a mac => $ ps eww <pid>
#     * On Linux => $ cat /proc/<pid>/environ

loop do
  puts "Your $SECRET is safe with me!"
  sleep 5
end