header-medium

#!/usr/bin/env bash
# -*- mode: bash -*-
# vi: set ft=sh
# --------------------------------------
# Description:
#
#
# Usage:
#   script [options]
#
# Options:
#   See $SYNTAX (below)
#
# Author: Greg Milligan
# Email: xybersolve@gmail.com
# Copyright (c) 2018 XyberSolve, Corp
#
# TODO:
# --------------------------------------

# --------------------------------------
# CONFIGFURATION
# --------------------------------------
# setup strict environment
set -o errexit  # exit on command error status
set -o nounset  # no unreadonlyd variables
set -o pipefail # failr on pipe failures
trap 'echo "Aborting due to errexit on line $LINENO. Exit code: ${?}" >&2' ERR

# ---------------------------------------
# GLOBAL VARIABLES
# ---------------------------------------
# booleans
declare -ir TRUE=1
declare -ir FALSE=0
# script info

declare -r PROGNAME="$(basename ${0})"
declare -r VERSION=0.1.0
declare -r SUBJECT=""
declare -r KEYS=""
declare -ri MIN_ARG_COUNT=1
declare -r SYNTAX=$(cat <<EOF

  Usage:
    ${PROGNAME} arg1

EOF
)

# ---------------------------------------
# COMMON SHARED FUNCTIONS
# ---------------------------------------
usage() {
  printf "\n%s\n" "${SYNTAX}"
}

error() {
  printf "\n%s\n" "Error: ${1}"
}

die() {
  error "${1}"
  usage
  printf "\n"
  exit "${2:-1}"
}

show_version() {
  printf "\n\n%s  %s\n\n\n" "${PROGNAME}" "${VERSION}"
  exit 0
}

show_help() {
  printf "\n\n"
  usage
  printf "\n\n"
  exit 0
}

# --------------------------------------
# MAIN ROUTINES
# --------------------------------------

__get_opts() {
  while (( $# > 0 )); do
    local arg="${1}"; shift;
    case ${arg} in
      --help)    show_help                ;;
      --version) show_version             ;;
      --ips)            GET_IPS=${TRUE}   ;;
      --log-local)
        __log_local_clients
        exit 0
        ;;
      --quotes*) # --option=argument
        SPEAK_DATA=${TRUE}
        [[ ${arg} =~ '=' ]] && VOICE="${arg#*=}"
        ;;
      *) die "Unknown option: ${arg}" ;;
   esac
  done
  return 0
}

__dispatch() {

  return 0
}

main() {
  (( ${#} < MIN_ARG_COUNT )) && die "Expects at least ${MIN_ARG_COUNT} arguments" 1
  (( $# > 0 )) && __get_opts "$@"

  __dispatch

  return 0
}
(( ${#} > 0 )) && main "${@}" || main