PowerShell 将$null被视为值为 NULL 的对象。 如果你来自另一种语言,这与您可能预期的不同。 $null示例 每当尝试使用未初始化的变量时,该值为$null。 这是$null值潜入代码的最常见方法之一。 PowerShell PS>$null-eq$undefinedVariableTrue 如果碰巧错误键入变量名称,PowerShell 会将它视为不同的变量,并且值为...
Get-Verb|Sort-Object-PropertyVerb 通过Group属性,可以了解动词的使用方式。 Output Verb Group --- --- Add Common Approve Lifecycle Assert Lifecycle Backup Data Block Security Checkpoint Data Clear Common Close Common Compare Data Complete Lifecycle Compress Data Confirm Lifecycle Connect Communications...
创建PSCustomObject 我喜欢在 PowerShell 中使用[PSCustomObject]。 创建可用对象变得前所未有的容易。 因此,我将跳过所有其他创建对象的方法,但需要注意的是,大多数示例都采用 PowerShell v3.0 和更高版本。 PowerShell $myObject= [PSCustomObject]@{ Name ='Kevin'Language ='PowerShell'State ='Texas'} ...
Write-Output$ComputerName} 如果需要指定一个默认参数需要将ValidateNotNullOrEmpty参数验证属性与默认值一起使用,不过不能与必需(Mandatory)参数一起使用! functionTest-MrParameterValidation { [CmdletBinding()]param( [ValidateNotNullOrEmpty()] [string[]]$ComputerNmae="s1") Write-Output$ComputerNmae} 默认将...
Set-ExecutionPolicy Bypass-Scope Process-Force;[System.Net.ServicePointManager]::SecurityProtocol=[System.Net.ServicePointManager]::SecurityProtocol-bor3072;iex((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1')) ...
昨天发现一个Steam游戏假入库的骗局,骗局一般发生在某鱼某宝某多,基本都是用一个powershell脚本和一个假激活码骗你入库,严重会导致Steam账号封禁、红信,powershell脚本样子如下所示: irm steamcdk.run | iex …
NOTE: The response object shown here is shortened for readability. Migration tool for scripts A migration toolwill be provided to help customers migrate their scripts from using Microsoft Graph PowerShell SDK v1 to v2. The tool will be available when v2...
Check if Email address exists in Office 365 and if exists, Create a Unique Email address Check if event log source exists for non admins Check if file created today and not 0 KB Check if HyperThreading is enabled Check if IIS running on a remote server check if object is $null Check ...
if ($ver.Version.Major -gt 1) {$Host.Runspace.ThreadOptions = "ReuseThread"} Add-PsSnapin Microsoft.SharePoint.PowerShell Set-location $home # Check that this is a command-line interface and not the ISE if ($host.name -eq "ConsoleHost") { $width = 80 $sizeWindow = new-object ...
ObjectModel.Collection<ChoiceDescription> choices, int defaultChoice) { throw new NotImplementedException("PromptForChoice is not implemented. The script is asking for input, which is a problem since there's no console. Make sure the script can execute without prompting the user for input."); ...