可以获取上一条命令的exit code。 但是如果bash脚本中设置了set -e,那么如果命令的exit code不为0,当前bash脚本会直接退出。这种情况下如果要获取命令的exit code而不退出,需要让该命令在一个新的shell中执行: set -e ret=$(bash -c 'bash test2.sh; echo $?') echo $ret...
Check Exit Code in Bash The exit status is essentially an integer that tells us whether or not the command succeeded. Non-intuitively, an exit status of 0 indicates success, and any non-zero value indicates failure/error. This non-intuitive solution allows for different error codes to represent...
问从bash中的后台进程获取exitcodeEN我有一个在后台执行命令的Bash脚本，可以在命令执行过程中显示一个进...
BASH Error Codes & their Meaning Linux OS Error Numbers, Error Codes and Meaning Unix and Linux OS shows error code and error name at time time of failures which may not be clear The table below provides a quick reference to error numbers, error name and their meaning to help in troublesh...
trap_saved_exit_value : get_exitstat (list); bash_logout (); last_command_exit_value = exit_value; /* Exit the program. */ jump_to_top_level (EXITPROG); /*NOTREACHED*/ } Run Code Online (Sandbox Code Playgroud) exit &&&&&&& 1由于解析错误而导致的语法错误,而不是计算表达式的...
/bin/bash # 执行一个命令并捕获其退出码 ls /non_existent_directory exit_code=$? # 根据退出码进行判断 if [ $exit_code -eq 0 ]; then echo "目录存在" else echo "目录不存在,退出码为: $exit_code" fi 总之,理解和正确使用exit-code对于编写健壮且易于维护的程序和脚本至关重要。
Using an exit code of 261, create an exit status of 5: $bash$exit261exit$echo$?5 To produce an errant exit status of 0: $bash$exit256exit$echo$?0 If you use 257 as the exit code, your exit status is 1, and so on. If the exit code is a negative number, the resulting exit...
code%256 常见异常状态码 137 此状态码一般是因为 pod 中容器内存达到了它的资源限制(resources.limits),一般是内存溢出(OOM),CPU达到限制只需要不分时间片给程序就可以。因为限制资源是通过linux的 cgroup 实现的,所以 cgroup 会将此容器强制杀掉,类似于kill -9 ...
Print the exit status code: echo "Exit status code: $exit_status" Prints the exit status code along with a descriptive message. $exit_status is the value of the exit status code captured in step 3. 2. Write a Bash script that checks if a file exists. Print "File exists" if it does...
Often when writing Bash scripts, you will need to terminate the script when a certain condition is met or to take action based on the exit code of a command. In this article, we will cover the Bash exit built-in command and the exit statuses of the executed commands....