Playing around with some ZSH scripts

test.zsh

colorize() {
  case $1 in
    none)
      str="\e[0m";;
    boldred)
      str="\e[1;31m";;
    boldgreen)
      str="\e[1;32m";;
    yellow)
      str="\e[1;33m";;
    boldblue)
      str="\e[1;34m";;
    boldmagenta)
      str="\e[1;35m";;
    boldcyan)
      str="\e[1;36m";;
    red)
      str="\e[0;31m";;
    green)
      str="\e[0;32m";;
    orange)
      str="\e[0;33m";;
    blue)
      str="\e[0;34m";;
    magenta)
      str="\e[0;35m";;
    cyan)
      str="\e[0;36m";;
    white)
      str="\e[0;37m";;
  esac

  echo -ne $str;
}

message() {
  if [ $# -gt 1 ]
  then
    color=$1
    shift
    colorize $color
  fi

  echo "$@"

  if [ $color ]
  then
    colorize none
  fi
}

ask() {
  read -d '' action

  while true
  do
    if [ $# -gt 1 ]
    then
      color=$1
      shift
      colorize $color
    fi

    read -p "$@ " answer

    if [ $color ]
    then
      colorize none
    fi

    eval "() {
      $action
    }"
  done
}

ask boldblue "Are you okay?" <<'EOS'
case "$answer" in
  Y*|y*)
    message boldgreen "Okay.";;
  N*|n*)
    message green "Not okay.";;
  *)
    message red "Answer unrecognized: ${answer}"
    continue
    ;;
esac
break
EOS