if和else語句會採用腳本區塊,因此我們可以將任何 PowerShell 命令放在其中,包括另一個if語句。 這可讓您使用更複雜的邏輯。 PowerShell if(Test-Path-Path$Path-PathTypeLeaf ) {Move-Item-Path$Path-Destination$archivePath}else{if(Test-Path-Path$Path) {Write-Warning"A file was required but a directory...
if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。 -eq(等于) -eq在两个值之间执行相等检查,以确保它们彼此相等。 PowerShell $value=Get-MysteryValueif(5-eq$value) {# do something} ...
Check if .txt file is empty 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 ex...
You should also be made aware of the parameter -LiteralPath to Test-Path, that you can see in the second example above. This also works if your file contains characters like brackets that causes the -Path parameter to expand the path since it supports wildcard syntax by default. Use -Lite...
Before creating a file, checking if it already exists is crucial. PowerShell provides theTest-Pathcmdlet for this purpose. By combiningTest-Pathwith theNew-Itemcmdlet, you can create a file only if it doesn’t exist. Here’s an example: ...
If you are new to PowerShell and want to learn more, we recommend reviewing the getting started documentation. Get PowerShell PowerShell is supported on Windows, macOS, and a variety of Linux platforms. For more information, see Installing PowerShell. Upgrading PowerShell For best results when ...
In PowerShell, checking if a variable is null (or in PowerShell terms, $null) is a fundamental task in scripting, especially when dealing with the output of
删除只读文件 ReadOnlyFile.txt。 删除空文件夹 用途:删除空文件夹。如果文件夹包含文件,则需要使用 -Recurse 选项删除文件夹及其内容。 示例: powershellCopy Code Remove-Item -Path "C:\Path\To\EmptyFolder" 删除文件夹及其内容 用途:删除文件夹及其所有内容,包括文件夹内的所有子文件夹和文件。 示例: pow...
Add BaseUrl to buildinfo json file (#24376) Delete the msix blob if it's already there (#24353) Make some release tests run in a hosted pools (#24270) Create new pipeline for compliance (#24252) Use Managed Identity for APIScan authentication (#24243) Check Create and Submit in vPac...
Out-File[[-Encoding] <Encoding>]-LiteralPath<string> [-Append] [-Force] [-NoClobber] [-Width <int>] [-NoNewline] [-InputObject <psobject>] [-WhatIf] [-Confirm] [<CommonParameters>] 说明 Out-Filecmdlet 将输出发送到文件。 它隐式使用 PowerShell 的格式设置系统来将内容写入文件。 该文件...