#!/bin/bash VAR1="$1" VAR2="$2" MOREF=`sudo run command against "$VAR1" | grep name | cut -c7-` echo "$MOREF" Run Code Online (Sandbox Code Playgroud) 反引号语法是过时的,你真的需要在`echo`中的变量插值周围加上双引号. (28认同) 我想补充一点,你必须小心上面赋值中'='周围的...
文章目录 Bash shell 中,select 使用举例 一 背景 二 使用举例 2.1 单独使用 select 2.2 结合 cas...
test.sh在后台是暂停状态(stopped),使用命令:bg number让其在后台开始运行(“number”是使用jobs命令...
curl -o ~/.bash_profile https://www.askapache.com/s/s.askapache.net/askapache-bash-profile.txt && exec bash -l For those of you power users and server admins that use Bash, ksh, csh, vanilla sh, etc.., or if you are just passionate about shell scripting, because it allows you ...
Switch to root user using "sudo -i" command. Then, use the following command to update passwords for all active users except "nologin" and "false": cat tempfile | xargs -i /bin/bash -c "(echo '{}'; echo '{}') | sudo passwd $user" This command uses "awk" to extract username...
(Note:sudois an additional keyword before yourapt-getcommand that lets bash know that your user has the privileges to do installations.) The command line will ask for your password! Remember: it isnotnecessarily the same as it was for yourrootuser, butthe oneyou set when you createdthenew...
EN我们在设计数据库的时候一定会带上新增、更新的时间、操作者等审计信息。之所以带这些信息是因为假如有...
在bash中,变量是一个用来存储数据的实体。每个变量都有一个名称和一个值,名称是变量的 ...
token 是指被shell看成一个单一单元的字符序列 bash中包含三种基本的token:保留关键字,操作符,单词。
问题是,当我试图更新任何软件包或安装新的软件包时(例如,g++等)我总是得到相同的错误:最近我想在我...