【Bash】コマンド作成用のテンプレート

template

#! /bin/bash

# Command
COMMAND=$(basename ${0})
shift

# Default
OPTION="DEFAULT"

function usage {
    cat <<EOF

Usage:
    ${COMMAND} [<options>]

Options:
    --option -o       option
    --help   -h       help

EOF
}

function command {
  echo "command "${OPTION}
}

# OPTION
while [ $# -gt 0 ];
do
  case ${1} in
    --option|-o)
      OPTION=${2}
      shift
      ;;
    --help|-h)
      usage
      shift
      exit 0
      ;;
    *)
      echo "[ERROR] ${COMMAND} ${1}"
      usage
      exit 1
      ;;
  esac
  shift
done

command