Bash exit command The exit command exits the shell with a status of N. It has the following syntax: exit N Copy If N is not given, the exit status code is that of the last executed command. When used in shell scripts, the value supplied as an argument to the exit command is retur...
Exit status 127 tells you that one of two things has happened: Either the command doesn't exist, or the command isn't in your path ($PATH). This code also appears if you attempt to execute a command that is in your current working directory. For example, the script above that you ga...
(If n is omitted, the exit status is that of the last command executed. ) 格式:$? 上一个命令的退出码。 格式:trap "commands" EXIT 退出时执行commands指定的命令。( A trap on EXIT is executed before the shell terminates.) 退出码(exit status,或exit code)的约定: 0表示成功(Zero - Success...
Executes the command stored in the variable 'command_to_execute'. In this case, it runs the "ls /new_dir" command, listing the contents of the directory /new_dir. Get the exit status code: exit_status=$? Captures the exit status code of the previously executed command. $? is a speci...
Using Exit Code Bash allows us to get the exit code of the previously executed command. To view the exit code, enter the command: $ echo $? We get 0 for a command executed correctly and 127 for a command not found in the example above. ...
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While ShellCheck is mostly intended for interactive use, it can easily be added to builds or test suites. It makes canonical use of exit codes, so you can just add ashellcheckcommand as part of the process. For example, in a Makefile: ...
I receiving an exit status of 126. This code actually tells me what's wrong, unlike the more vague codes. Exit status 127 Exit status 127 tells you that one of two things has happened: Either the command doesn't exist, or the command isn't in your path ($PATH). This code also app...
格式:-X <command> 或--request <command> 说明:-X 参数允许用户显式指定要使用的 HTTP 方法(如 GET、POST、PUT、DELETE 等)。如果不使用 -X 参数,curl 默认使用 GET 方法。 示例: curl -X POST http://www.example.com/api/data 在这个例子中,curl 会向目标 URL 发送一个 POST 请求。 区别总结 功...
exit is a builtin command and cause the shell to exit with a given exit status. n is the exit status of n. If n is omitted,the exit status is that of the last command executed. A function can be called on a EXIT before the shell terminates.