包含Out 谓词(Out cmdlet)的 cmdlet 没有名称或文件路径的参数。 若要将数据发送到 Out cmdlet,请使用管道运算符(|)将 PowerShell 命令的输出发送到 cmdlet。 还可以将数据存储在变量中,并使用 InputObject 参数将数据传递给 cmdlet。 有关详细信息,请参阅示例。 Out-Null 不返回任何输出对象。 如果将 Out-...
PowerShell 複製 if ( $null -ne $value -and $value -ne 0 -and $value -ne '' -and ($value -isnot [array] -or $value.Length -ne 0) -and $value -ne $false ) { Do-Something } 只要您記得其他值算作$false,而不僅僅是變數具有值,使用基本if檢查就完全沒問題了。
$ErrorActionPreference = "stop" not working $files = Get-SFTPChildItem -SessionId '0' -Path $source how to ignore folder from list $MyInvocation.MyCommand.Name return null value after converting ps1 to exe $PSCommandPath is $null in parameters section and during debugging 32 bit vs 64 bit...
如果此命令省略此參數,或是值為 $null 或空字串,則工作流程目標為本機計算機,且不會使用 Windows PowerShell 遠端處理來執行命令。 若要在 ComputerName 參數的值中使用 IP 位址,命令必須包含 PSCredential 參數。 此外,計算機必須針對 HTTPS 傳輸進行設定,或遠端電腦的 IP 位址必須包含在本機電腦上的 WinRM Trus...
Parameters must be explicitly marked as public; ones that are not marked as public default to internal and are not found by the Windows PowerShell runtime. This can lead to some confusion when you're trying to figure out why your cmdlet doesn't have the parameters you think it should ...
Of course, for module users too there will be cases where out-of-process invocation won’t work: When PowerShell remoting is unavailable, for example if you don’t have privileges to use it or it is not enabled. When a particular .NET type is needed from output, for example to run me...
Granted, at first glance this script might not seem all that impressive. But just wait; as you’re about to see, it’s actually kind of a neat little solution to this problem. Our custom object script starts out by creating an empty array named $colAverages: Copy $colAverages = @(...
if(-not (Test-Path $basePath)) { $null = New-Item $basePath -Force } Set-ItemProperty $basePath -Name EnableScriptBlockLogging -Value “1” }function Disable-PSScriptBlockLogging { Remove-Item HKLM:\Software\Policies\Microsoft\Windows\PowerShell\ScriptBlockLogging -Force -Recurse }...
PipelineVariablecommon parameter variables arenotsupported inForEach-Object -Parallelscenarios even with theUsing:scope modifier. Example 17: Passing variables in nested parallel scriptblocks You can create a variable outside aForEach-Object -Parallelscoped scriptblock and use it inside the scriptblock ...
Could not start language service: Timed out waiting for session file to appear. Now... I'm in a Domain environment where our Security Policy forced down from 'on high' by Group Policy is that we're in an allsigned environment. I have tried Code and the Powershell Extension on a number...