If you run the script on a different computer running a different version of Linux or Unix, you may need to adjust the shebang so that it still finds the bash shell, before doing this consider all the other dependencies in your script. In some cases it may be better for the script not...
格式:exit 退出。退出码不变,即为最后一个命令的退出码。(If n is omitted, the exit status is that of the last command executed. ) 格式:$? 上一个命令的退出码。 格式:trap "commands" EXIT 退出时执行commands指定的命令。( A trap on EXIT is executed before the shell terminates.) 退出码(exit...
_STRPERROR_() { # run on script error local RV="$?" printf "\\e[?25h\\n\\e[1;48;5;138m %s\\e[0m\\n" "TermuxArch WARNING: Generated script signal ${RV:-unknown} near or at line number ${1:-unknown} by '${2:-command}'!" if [[ "$RV" = 4 ]] then print...
我已经连接了一个等待- for -it.sh脚本(),它可以用于等待localhost:8080 (您可以通过执行以下命令:docker run -i --rm -p 8080:8080 connorbutch/gradlew acceptanceTest/就绪,并且以下命令不能工作:docker run -i --rm -p 8080:8080 connorbutch/reading-comprehension-server-quarkus-impl/gradle 浏览0提问于...
# exit when any command failsset-e Putting this at the top of a bash script will cause the script to exit if any commands return a non-zero exit code. We can get a little fancier if we useDEBUGandEXITtrapsto execute custom commands before each line of the script is run and before ...
5. Lastly, run the script in the terminal from any location by stating the script's name: script.sh The method permanently adds the path for the script, making it available in any terminal session. Note:Learn more about Bash by referring to our post on theBash let commandused for evaluat...
实例下面我们创建一个可以ssh的镜像: 1.启动一个容器: $ docker run -i -t ubuntu:16.04 /bin/bash 2.启动成功后,登录容器,执行所需要的操作: root@...ssh/sshd_config 更改为:PermitRootLogin yes #允许客户端通过root用户ssh service ssh restart exit #退出容器...我们使用docker build 来创建一个新的im...
_STRPERROR_() { # run on script error local RV="$?" printf "\\e[?25h\\n\\e[1;48;5;138m %s\\e[0m\\n" "TermuxArch WARNING: Generated script signal ${RV:-UNKNOWN} near or at line number ${1:-UNKNOWN} by '${2:-UNKNOWNCOMMAND}'!" _ADERHELP_() { printf "\\e[1;32m...
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...
The return command without any arguments returns the exit code of the last executed command. Above, return 0 will return a successful exit code. 0.DebuggingThe shell gives us tools for debugging scripts. If we want to run a script in debug mode, we use a special option in our script's...