Knowledge of how to do something sub-optimally isn't bad. It's up to you to decide where the dividing line is when you should switch to a different language. Be

Knowledge of how to do something sub-optimally isn't bad. It's up to you to decide where the dividing line is when you should switch to a different language. Beyond that, I enjoy knowing how to do tricky things in the terminal simply for the sake of knowing it. Also, while it's not necessarily a guarantee that Python or Perl will be in a given environment, Bash will practically always exist. I will grant you if you find yourself in this predicament, you should probably be rethinking your build/deploy strategy altogether.