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 param
false -Examples <System.Management.Automation.SwitchParameter> Displays only the name, synopsis, and examples. This parameter is effective only when the help files are installed on the computer. It has no effect on displays of conceptual ( About_ ) help. Required? true Position? named Default ...
function Test-MrParameterValidation { [CmdletBinding()] param ( [ValidateNotNullOrEmpty()] [string[]]$ComputerName = $env:COMPUTERNAME ) Write-Output $ComputerName } 详细输出 如果要编写复杂的代码,则内联注释非常有用,但除非用户查看代码,否则不会看到它们。 以下示例中的函数在 foreach 循环内有一...
Use the$nullVariable to Check if a String Variable Is Not Null or Empty in PowerShell $nullis one of the automatic variables in PowerShell, which represents NULL. You can use the-eqparameter to check if a string variable equals$null. ...
functionTest-MrParameterValidation { [CmdletBinding()]param( [Parameter(Mandatory)] [string[]]$ComputerName) Write-Output$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!
Cannot bind argument to parameter xxxxx' because it is an empty string. Cannot bind parameter 'Date' to the target Cannot convert 'System.Object[]' to the type 'System.Nullable'1[System.Boolean\' required by parameter 'Enabled' Cannot convert system.object to the type system collection ...
Verify that a password is set on the workgroup-based computer. If a password is not set or the password value is empty, you cannot run remote commands. Use theCredentialparameter in all remote commands. This is required even when you connect as the current user. ...
类型: SwitchParameter Position: Named 默认值: False 必需: False 接受管道输入: False 接受通配符: False-SkipHttpErrorCheck此参数会导致 cmdlet 忽略 HTTP 错误状态并继续处理响应。错误响应被写入管道,就好像它们成功了一样。 在PowerShell 7 中引入了此参数。 展开表 类型: SwitchParameter Position: Named ...
Stringify ErrorRecord with empty exception message to empty string (#24949) (Thanks @MatejKafka!) Add completion single/double quote support for -PSEdition parameter for Get-Module (#24971) (Thanks @ArmaanMcleod!) Error when New-Item -Force is passed an invalid directory name (#24936) (Than...
StringIf you supply a string to the –credential parameter, Windows PowerShell treats it as a user name and prompts you for the password. CredentialIf you supply a credential object to the –credential parameter, Windows PowerShell accepts it as is. ...