Reset方法會重設整個集合。 屬性Current永遠不會填入。 MoveNext方法會傳回 false,因為集合無法進階。 呼叫MoveNext會清除$input變數。 PowerShell FunctionAll {"All Values:$input""Access Again:$input"$input.Reset()"After Reset:$input"$input.MoveNext() |Out-Null"After MoveNext:$input"}"one","two",...
ComputerName Verbose Debug ErrorAction WarningAction InformationAction ErrorVariable WarningVariable InformationVariable OutVariable OutBuffer PipelineVariable WhatIf Confirm 参数验证 尽早验证输入。 如果不可能在没有有效输入的情况下运行代码,那为什么允许代码在某路径上继续运行?
Invoke-Sqlcmd [-AccessToken <String>] [[-Query] <String>] [-QueryTimeout <Int32>] [-ErrorLevel <Int32>] [-SeverityLevel <Int32>] [-MaxCharLength <Int32>] [-MaxBinaryLength <Int32>] [-AbortOnError] [-DisableVariables] [-DisableCommands] [-Variable <PSObject>] [-InputFile <String...
There are times where PowerShell may not choose the correct type of object for a variable assignment. A case in point is when a numeric value is assigned to a variable but the variable needs to be string object. To control this you can cast the variable as the type you need, like this...
As you can see, I created a $date variable that contains an object representing the current time. I then used some documented methods supported by the object to show how you can easily get the date and time five minutes later, and then five hours later. If I wanted to get values from...
Write-Verbose : The running command stopped because the preference variable "VerbosePreference" or common parameter is set to Stop: Verbose message test. At line:1 char:1 + Write-Verbose -Message "Verbose message test." 此示例使用 Verbose 参数,该参数的值为 $false,重写 Stop 值。 不显示消息...
To pause this command and receive a prompt for credentials, use the value (Get-Credential). Or, before you run this command, store the credentials in a variable (for example, $cred = Get-Credential) and then use the variable name ($cred) for this parameter. For more information, see ...
-ErrorAction:SilentlyContinue parameter is not being respected & $error variable not updated -ExpandProperty & Export CSV !!! powershell script to add a word in the beginning of the text file - URGENT !!! 'A positional parameter cannot be found that accepts argument '$null'. 'Name' Attribut...
Remove-VariableMicrosoft.PowerShell.Utilityhelp Remove-WmiObjectMicrosoft.PowerShell.Managementhelp Remove-WSManInstanceMicrosoft.WSMan.Managementhelp Rename-ItemMicrosoft.PowerShell.Managementhelp Rename-ItemPropertyMicrosoft.PowerShell.Managementhelp Reset-ComputerMachinePasswordMicrosoft.PowerShell.Managementhelp Resolve...
I need to change all Public Groups to Provate Groups. So I am attempting to run: Get-UnifiedGroup | Where {$_.AccessType -eq "Public"} |...