mount_iso.zsh

function mount_iso() {
  local iso_file
  local mnt_directory

  local opt
  while getopts f:d:h opt; do
    case $opt in
      (h)
        print "Options:"
        print "  -f <file.iso>"
        print "  -d </path/to/mnt>"
        return 1
        ;;
      (f)
        iso_file=$OPTARG
        ;;
      (d)
        mnt_directory=$OPTARG
        ;;
      (?)
        $0 -h
        return 1
        ;;
    esac
  done

  if [[ -z $iso_file ]] || [[ -z $mnt_directory ]]; then
    print Missing required option.
    $0 -h
    return 1
  fi

  if [[ $UID != "0" ]]; then
    local use_sudo="sudo"
  fi

  $use_sudo mkdir -p $mnt_directory &&
  $use_sudo mount -t iso9660 -o loop $iso_file $mnt_directory
}