how to run 2 or more commands in a shell script [for Linux & Windows]
To send 2 or more commands to Linux or Windows, one need to use some special characters to seperate the commands. These characters usually relate to & ; and|.
The following table show how exactly they’re applied in differet context.
| condition | Windows | Linux |
|---|---|---|
| commands one by one | & | ; |
| first one succeeded, then next | && | && |
| first one failed, then next | || | || |
| pipe | | | | |
Example
To download some youtube video
To download some youtube video one by one and skip the failed ones, the command typed to the terminal should be as follow:
[for windows]
youtube-dl https://www.youtube.com/watch?v=q555kfIFUCM & youtube-dl https://www.youtube.com/watch?v=FTr3n7uBIuE & youtube-dl https://www.youtube.com/watch?v=SJDEOWLHYVo[for Linux]
youtube-dl https://www.youtube.com/watch?v=q555kfIFUCM ; youtube-dl https://www.youtube.com/watch?v=FTr3n7uBIuE ; youtube-dl https://www.youtube.com/watch?v=SJDEOWLHYVoreference
Linux中多命令执行’;’和’&&’的区别解释linux shell脚本之家
http://www.jb51.net/article/99193.htm
Linux:命令执行控制&&与|| - Socrates - 博客园
http://www.cnblogs.com/dyx1024/archive/2012/09/16/2687644.html
Linux 命令&和&&的区别 - 小宇宙的专栏 - CSDN博客
http://blog.csdn.net/u201017971/article/details/50912012
dos的&与&&有什么区别_百度知道
https://zhidao.baidu.com/question/1603884429797142147.html
批处理命令教学之复合语句连接符（&、&&和||）DOS/BAT脚本之家
http://www.jb51.net/article/63210.htm
批处理中 | || & &&的讲解_百度知道
https://zhidao.baidu.com/question/918430276432946939.html
批处理命令教学之复合语句连接符（&、&&和||）DOS/BAT脚本之家
http://www.jb51.net/article/63210.htm
