auto-color based on directory

gistfile1.txt

# add this to your .zshrc and then add
# $(__prompt_color) to your PROMPT

function __prompt_color()
{
  local RGB CONVERTED RH GH BH RD GD BD
  RGB=$(echo $(pwd) | md5 | cut -c 1-6)

  RH=$(echo ${RGB} | cut -c 1-2)
  GH=$(echo ${RGB} | cut -c 3-4)
  BH=$(echo ${RGB} | cut -c 5-6)

  RD=$(( 16#${RH}))
  GD=$(( 16#${GH}))
  BD=$(( 16#${BH}))

  RD=$((${RD} / 5))
  GD=$((${GD} / 5))
  BD=$((${BD} / 5))

  CONVERTED=$(printf "%2x%2x%2x" ${RD} ${GD} ${BD})
  echo -n "\033]Ph${CONVERTED}\033\\"
}