screenface prompt code

happyfacesmol() {
  local FF="\e[92;40m"
  FF="$FF\u281e\u2806\u28c4\u2884\u2844\u281e\u2806"
  FF="$FF\e[39;49m"
  echo -e "$FF"
}
sadfacesmol() {
  local FF="\e[31;40m"
  FF="$FF\u28b9\u2801\u2864\u2824\u2844\u28b9\u2801"
  FF="$FF\e[39;49m"
  echo -e "$FF"
}
pickfacesmol() {
case $1 in
  0)
    happyfacesmol
    ;;
  *)
    sadfacesmol
    ;;
esac
}

happyface() {
  local FF="\e[92;40m"
  FF="$FF\u28f4\u283f\u28e6\u2800\u2800\u2800\u2800\u2800\u2800\u28f4\u283f\u28e6"
  FF="$FF\e[22;39;49m\n\e[92;40m"
  FF="$FF\u2801\u2800\u2808\u2800\u28b3\u2874\u28a6\u285e\u2800\u2801\u2800\u2808"
  FF="$FF\e[39;49m"
  echo -e "$FF"
}
sadface() {
  FF="\e[31;40m"
  FF="$FF\u2836\u28f6\u2836\u2800\u2800\u2800\u2800\u2800\u2800\u2836\u28f6\u2836"
  FF="$FF\e[22;39;49m\e[E\e[31;40m"
  FF="$FF\u2800\u28ff\u2800\u2800\u2834\u281b\u281b\u2826\u2800\u2800\u28ff\u2800"
  FF="$FF\e[39;49m\n"
  echo -e "$FF"
}
pickface() {
case $1 in
  0)
    happyface
    ;;
  *)
    sadface
    ;;
esac
}

SMOLFACE=1
FAKEPS=$PS1
promptcom() {
  local EXIT="$?"
  PS1=""
  if [ $SMOLFACE -eq 1 ]; then
    PS1+="\[$(pickfacesmol $EXIT)\]\n        \[\e[A\]"
  else
    PS1+="\[$(pickface $EXIT)\]\n             \[\e[A\]"
  fi
  PS1+=$FAKEPS
}
PROMPT_COMMAND=promptcom