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
Linux Shell Bash with special meaning exit code purpose descriptionThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat: Exit nExit. Set the exit code to N. (cause the
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
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
General PracticeCat>test.SH"'#!/bin/Bashexit_script () {Exit1}Echo "before Exit"Exit_scriptEcho "After exit"EOFchmodA+x test.SH./test.SHEcho$?# output before exit1You can see that direct use exit can exit the script, and you can pass the error code
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
Original link: http://codingstandards.iteye.com/blog/836625 (reproduced please specify the source)Description of UseThe exit command exits the current shell and can terminate the current script execution in a shell script.Common parametersFormat:
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