Create A Directory If It Does Not Exist To create a directory if it does not exist, this is a very robust example of how you might want to handle it. Adapt to suit your needs. This code was put in the file "NewDirDemo.ps1" that you see me using below. [CmdletBinding()] Param( ...
-d ${datadir} ]; then mkdir ${datadir} wait mkdir ${datadir}/backup else echo "dir exist" fi 公共代码库 有时候需要重复的代码,可以放入公共shell 文件,然后其他shell 可以导入公共的shell 文件。 比如:我们可以明明公共代码的shell 名称为init.sh,我们想要在其他shell(比如 run.sh) 脚本中使用init...
-f文件,f的全拼为file 文件存在且为普通文件则为真,即测试表达式成立 -e文件,e的全拼为exist 文件存在则为真,即测试表达式成立。注意区别于“-f”,-e不辨别是目录还是文件 -r文件,r的全拼为read 文件存在且可读则为真,即测试表达式成立 -s文件,s的全拼为size 文件存在且文件大小不为0则为真,即测试表达式成...
本文主要讲述如何使用Shell脚本判断HDFS文件或目录是否存在，算是一个小技巧吧，这几天做PoC的时候感觉还...
Check if a process is running check if a process or service is hanging/not responding? Check if a text file is blank in powershell check if computer exist in ou Check if drive exists, If not map Check if Email address exists in Office 365 and if exists, Create a Unique Email address...
$dir exists,files:$count"elseecho "Dir $dir does'nt exist."fidir="$2"count=$(filecount $dir)if [ $? = 0 ]thenecho "Dir $dir does'nt exist."elseecho "Dir $dir exists,files:$count"fihann@HannYang:~$ bash test.sh rust golangDir rust exists,files:4Dir golang does'nt exist....
else echo "$filename does not exist." fi 在运行这个脚本时,你可以传递一个文件名作为参数: ./check_file.sh example.txt 3.2 日志和错误处理 为确保脚本的稳健性,你需要添加日志记录和错误处理。例如,一个带有日志功能的脚本: #!/bin/bash log_file="/var/log/my_script.log" function log_message()...
PID=$(cat"$SERVICE_PID_FILE") ifkill-0"$PID"> /dev/null 2>&1;then echo"$SERVICE_NAMEis running with PID$PID." else echo"$SERVICE_NAMEwas previously running but the process does not exist anymore." fi else echo"$SERVICE_NAMEis not running." ...
If the local file doesn't exist, then the local file is created and the entire remote file is downloaded. This behavior is the same as using OutFile without Resume. This feature was added in PowerShell 6.1.0. Expand table Type: SwitchParameter Position: Named Default value: False Required...
New-PSSession [-Name <String[]>] [-Port <Int32>] [-HostName] <String[]> [-UserName <String>] [-KeyFilePath <String>] [-Subsystem <String>] [-ConnectingTimeout <Int32>] [-SSHTransport] [-Options <Hashtable>] [<CommonParameters>]Power...