Randomly Colorful Unix Terminal Prompt

#!/usr/bin/env bash
### ./gen_prompt.sh
### Output: bash script that configures a randomly colorful prompt (PS1).
###   matt.a.feenstra@gmail.com
### For Example:
###   eval $(gen_prompt.sh)

echo 'PROMPT_DIRTRIM=4'

PS_STRING="'\[\033[38;5;$(shuf -i 27-231 -n 1)m\]\u\[\033[38;5;$(shuf -i 27-231 -n 1)m\]@\[\033[38;5;$(shuf -i 27-231 -n 1)m\]\h\[\033[38;5;$(shuf -i 27-231 -n 1)m\]:\[\033[38;5;$(shuf -i 27-231 -n 1)m\]\j\[\033[38;5;$(shuf -i 27-231 -n 1)m\]:\[\033[38;5;$(shuf -i 27-231 -n 1)m\]\w\[\033[38;5;$(shuf -i 27-231 -n 1)m\]\\$\[\033[00m\] '"

echo export PS1=$PS_STRING