#!/bin/sh usage="Usage: $0 [OPTION]... --help display this help and exit --version output version information and exit" case $# in 1 ) case "z${1}" in z--help ) echo "$usage"; exit 0 ;; z--version ) echo "true - GNU sh-utils 1.12"; exit 0 ;; * ) ;; esac ;; * ) ;; esac exit 0