generate password

pwdgen

#!/usr/bin/env ruby

#
#=  Password Generator
#
# check strength with cracklib
#
#== Usage
#
# $ pwdgen
# $ pwdgen 10
#
#
#== Requirement
#
# * ruby 1.8.7+
# * cracklib
#

chars = (0..9).to_a + ("a".."z").to_a + ("A".."Z").to_a

length = (ARGV[0] || 8).to_i

5.times do
  pwd = Array.new(length) { |i| chars.choice }.join
  puts `echo '#{pwd}' | cracklib-check`
end