       return res.reply "You need to set the working directory!"
     random_wtf res
 
-
   robot.respond /pywtf bomb( (\d+))?/i, (res) ->
     if not working_dir?
       return res.reply "You need to set the working directory!"

#
# Notes:
#   This scripts works only in a standard unix environment and expects
#   standard commands like find and egrep to be available
#
# Author:
#   Pradip Caulagi <caulagi@gmail.com>

    "find %s -type f -name '*.py' -exec grep '<<' -- {} + | grep '|'"
    "find %s -type f -name '*.py' -exec grep '>>' -- {} + | grep '&'"
    "find %s -type f -name '*.py' -exec grep '>>' -- {} + | grep '|'"
    "find %s -type f -name '*.py' -exec grep 're.compile' -- {} +"
  ]

  remove_rule = (index) ->
