test.sh

#!/usr/bin/env bash

set -euo pipefail

main() {
  parse_cmdline "$@"
}

# parse the command line
parse_cmdline() {
  _ARGS[fix]=0
  _ARGS[prompt]=1
  _ARGS[extra]=''

  local argv
  argv=$(getopt -o 'efp:' --long 'extra:,fix,prompt' -- "$@") || return
  echo "[$argv]"
  eval "set -- $argv"

  echo "\$@: " "$@"
  for argv; do
    echo "argv: $argv"
    echo "\$1: ${1:-undef}"
    echo "\$2: ${2:-undef}"
    case $argv in
      -f | --fix)
        _ARGS[fix]=1
        shift
        ;;
      -p | --prompt)
        _ARGS[prompt]=1
        shift
        ;;
      -e | --extra)
        _ARGS[extra]="$2"
        shift 2
        ;;
      --)
        shift
        break
        ;;
      *)
        echo 'Something went wrong processing command line options' >&2
        exit 2
        ;;
    esac
  done

  echo "Fix: ${_ARGS[fix]}"
  echo "Prompt: ${_ARGS[prompt]}"
  echo "Extra: ${_ARGS[extra]}"
  echo "Files: ${_FILES[*]}"
}

initialize() {
  # get directory containing this script
  local dir
  local source
  source="${BASH_SOURCE[0]}"
  while [[ -h $source ]]; do # resolve $source until the file is no longer a symlink
    dir="$( cd -P "$( dirname "$source" )" >/dev/null && pwd )"
    source="$(readlink "$source")"
     # if $source was a relative symlink, we need to resolve it relative to the path where the symlink file was located
    [[ $source != /* ]] && source="$dir/$source"
  done
  _SCRIPT_DIR="$(dirname "$source")"

  # source getopt function
  # shellcheck source=getopt.bash
  . "$_SCRIPT_DIR/getopt.bash"
}

initialize

# declare global variables
declare -A _ARGS

[[ ${BASH_SOURCE[0]} != "$0" ]] || main "$@"