) die()和exit()都是中止脚本执行函数；其实exit和die这两个名字指向的是同一个函数，die()是exit...
echo “Command executed successfully” else echo “Command failed with exit code: $exit_code” fi “` 在这个例子中,我们使用了ls命令来示范。脚本首先执行ls命令,然后使用$?获取ls命令的返回值并将其赋值给变量exit_code。接下来,使用if语句判断exit_code的值,如果等于0,则打印”Command executed successfully...
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 $ret...
(If n is omitted, the exit status is that of the last command executed. ) 格式:$? 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...
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) 非0表示失败(Non-Zero - Failure) 2表示用法不当(Incorrect Usage) ...
(events.js:418:26) at ChildProcess.emit (events.js:311:20) at ChildProcess.cp.emit (C:\Users\Mix Desktop\AppData\Roaming\npm\node_modules\expo-cli\node_modules\cross-spawn\lib\enoent.js:34:29) at maybeClose (internal/child_process.js:1021:16) at Process.ChildProcess._handle.onexit ...
A function can be called on a EXIT before the shell terminates. Example: by calling the exit function, the following finish function will run thanks to the registration of the function via the trap utility #!/bin/bash function finish { # Your cleanup code here } trap finish EXIT Copy ...
When you execute a command or run a script, you receive an exit code. An exit code is a system response that reports success, an error, or another condit...
Type: Bug When I give it a new terminal, it does not let me enter and sends a message that tells me Terminal process "C:\Program Files\Git\bin\bash.exe '--login', '-i'" terminated with exit code 1. VS Code version: Code 1.76.2 (ee2b180, ...
连续两次求贤令：曾经我给你带来了十万用户，但现在祝你倒闭，以及 生信技能树知识整理实习生招募，让我...