#!/usr/bin/bash echo "hello world!!" num=100 PI=3.14 STR="hello" str_2='world!' echo ${num} echo ${PI} echo ${STR} echo ${str_2} x=$[$num-50] echo $x echo ${x} array[1]=$num array[2]=$PI echo ${array[2]} exit 0
posted on 2020-09-18 19:29 张芙蓉 阅读(79) 评论(0) 编辑 收藏 举报