#!/bin/bash enable -n echo readonly NORMAL="\33[0m" readonly BOLD="\33[1m" readonly UNDERLINE="\33[4m" readonly INVERSE="\33[7m" readonly BLACK="\33[30m" readonly RED="\33[31m" readonly GREEN="\33[32m" readonly YELLOW="\33[33m" readonly BLUE="\33[34m" readonly MAGENTA="\33[35m" readonly CYAN="\33[36m" readonly WHITE="\33[37m" SCRIPT_NAME=$(basename $0) function usage(){ echo -e "${BOLD}${SCRIPT_NAME} [options] [file]${NORMAL}" echo -e " -h : print this help message" echo -e "" # echo -e "${YELLOW}${NORMAL}" } OPTSTR="h" while getopts "${OPTSTR}" O; do case $O in h) usage && exit ;; *) echo -e "${RED}Unrecognized option, exiting...${NORMAL}" && exit 1 ;; esac done #OPTIND=0