ursadk / getopts_long Goto Github PK

_usage () { echo "usage" 1>&2; exit ${1:-0}; }
_die () { printf "\n$1\n" 1>&2; _usage ${2:-1}; }
while read args ; do
  OPTIND=1
  while getopts_long ":hvab: alpha bravo: charlie" OPT  $args ; do
    case "$OPT" in
      h|help   ) _usage          ;; # E.g., help option
      v|verbose) ((++verbose))   ;; # E.g., an incrementing option
      a|alpha  ) alpha=1         ;; # E.g., non-arg-requiring option
      b|bravo  ) bravo="$OPTARG" ;; # E.g., argument-requiring option
      charlie  ) charlie=1       ;; # E.g., long-option-only
      ':') _die "OPTION '${OPTARG}': MISSING ARGUMENT" 1;;
      '?') _die "UNKNOWN OPTION: '${OPTARG}'"          2;;
    esac
    echo "OPT=$OPT, OPTIND=$OPTIND, OPTARG=$OPTARG"
  done
done < <( cat <<EOF
-a-- param
EOF
)

while getopts_long ':remoteHost: toDir:' OPTKEY; do
    case ${OPTKEY} in
        'remoteHost')
            REMOTE_HOST="${OPTARG}"
            ;;
        'toDir')
            TO_DIR="${OPTARG}"
            ;;
        '?')
            echo "INVALID OPTION -- ${OPTARG}" >&2
            exit 1
            ;;
        ':')
            echo "MISSING ARGUMENT for option -- ${OPTARG}" >&2
            exit 1
            ;;
        *)
            echo "UNIMPLEMENTED OPTION -- ${OPTKEY}" >&2
            exit 1
            ;;
    esac
done