I. PrefaceShell programming is widely used in the Unix/linux world, and mastering shell programming is a must for a good unix/linux developer and system administrator. The main task of script debugging is to find out the cause of the script error
Transferred from: http://itlab.idcquan.com/linux/SHELL/727128.htmlThis paper introduces the shell script debugging technology comprehensively and systematically, including using echo, tee, trap and other commands to output key information, tracking
I. Preface
Shell programming is widely used in the Unix/linux world, and mastering shell programming is a must for a good unix/linux developer and system administrator. The main task of script debugging is to find out the cause of the script error
: Network Disk DownloadContent Introduction· · · · · ·This book is a comprehensive tutorial on Linux command-line and shell script programming. The book is divided into four parts: the first part introduces the Linuxshell command line, the second
Original URL: http://zhu8337797.blog.163.com/blog/static/170617549201122512712136/
Command
Options
function
BASH–X Pin Name
Echo Echo
Displays each row of the script after the variable is replaced
1. What is a shell script?It is a scripting language, not a programming language.You can use some logical judgments, loops, and other syntax.You can customize the sub-function, which is a collection of system commands.Shell scripts enable automated
Create a scriptThere are many different shells in Linux, but usually we use Bash (Bourne again shell) for Shell programming because bash is free and easy to use. So the script I've provided in this article is all about using bash (but in most cases
Why shell programming?
In Linux, although there are a variety of graphical interface tools, ghost is still a very flexible tool. Shell is not only a collection of commands, but also a very good programming language. You can use shell to automate a
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