.bash_profile additions

.bash_profile

export PROMPT_COMMAND=__prompt_command

# color coded
# red      blue     green    yellow
# [errnum] username@hostname dir
# $
function __prompt_command() {
  local EXIT="$?"
  PS1="\n"

  if [ $EXIT != 0 ]; then
    PS1+="\[\e[1;31m\]$EXIT\[\e[m\] "
  fi

  PS1+="\[\e[36m\]\u\[\e[m\]@\[\e[32m\]\h\[\e[m\] \[\e[33;1m\]\w\[\e[m\]\n\$ "
}