以下是一个简单的Shell脚本示例: bash #!/bin/bash folder_path="/path/to/your/folder" if [ -d "$folder_path" ]; then echo "The folder '$folder_path' exists." else echo "The folder '$folder_path' does not exist." fi 要执行这个脚本,你需要将它保存为一个文件(例如check_folder.sh),...
Linux系统中,使用shell脚本编程是一种非常常见的操作。其中,判断文件是否存在是常见的需求之一。在文件是否存在判断文件是否存在shell文件名 then Shell脚本编程是非常常见的操作。而在Shell脚本编程中,经常需要判断文件是否存在判断文件
“mkdir”(Make directory)命令在命名路径下创建新的目录。然而如果目录已经存在了,那么它就会返回一个错误信息"不能创建文件夹,文件夹已经存在了"("cannot create folder, folder already exists") root@raspberrypi:/opt/labpark# mkdir raspbox 注意:目录只能在用户拥有写权限的目录下才能创建。mkdir:不能创建目录...
if test $( pgrep -f $1 | wc -l ) -eq 0 then echo "进程不存在" else echo "存在进程" fi 还不完善,待续...
Install Oh My Zsh to a directory that doesn't exist yet: `ZSH=path/to/new/ohmyzsh/folder sh install.sh` 3. (Caution) If the folder doesn't contain important information, you can just remove it with `rm -r /home/test_user/.oh-my-zsh` 这个时候,我们可以用ls -ahl ~命令来看一...
$ if [ -x a.out ]; then echo "File is executable"; else echo "File is not executable"; fi File is executable So, thetest‘sxflag proves if the file exists and is executable. 3. Ruling out the Directories Now let’s notice that thetest‘sxcheck alone would suggestthat a folderfoo...
However, if you are working on linux system, first create a shortcut of file demo.txt using ln command as shown below. shell ln -s '/pythondemo/demo.txt' '/pythondemo/demo(shortcut).txt' Next we create our code to check if file exists and is a symbolic link: python # Import os...
mount -t hostfs /some/path/on/host folder But subsequent calls tols folderon the same shell still does not display the expected contents. This is because themountcommand could only modify the mount table kept by itself (and propagated to children throughfork), but not the one used by its...
calls .envrc-kubernetes to set the kubectl context isolated to current shell to prevent race conditions between shells and scripts caused by otherwise naively changing the global ~/.kube/config context aws_sso_ssh.sh - launches local AWS SSO authentication pop-up (if not already authenticated),...
LINUX 计算节点上的执行筛选器在 HPC6 月 QFE 版本中引入。 它允许群集管理员在不同的作业/任务执行阶段(根目录下)在 Linux 计算节点上执行自定义脚本。 使用执行筛选器的两种典型方案: 在集成 Active Directory 的 Linux 节点上,用户名格式的格式不同。 使用执行筛选器,管理员可以在执行作业/任务之前自定义用户...