if([BookList]::Books.Count-gt0-and-not$force) {return$false} [BookList]::Books = [System.Collections.Generic.List[Book]]::new()return$true}# Ensure a book is valid for the list.static [void] Validate([book]$Book) {$Prefix= @('Book validation failed: Book must be defined with ...
當您執行 if 語句時,PowerShell 會將 <test1> 條件表達式評估為 true 或 false。 如果 <test1> 為true, <statement list 1> 則執行 ,且 PowerShell 會 if 結束 語句。 如果 <test1> 為false,PowerShell 會評估條件語句所 <test2> 指定的條件。 如需布爾值評估的詳細資訊,請參閱 about_Booleans。 如果<...
function <name> [([type]$parameter1[,[type]$parameter2])] { <statement list> } 以下是這個替代語法的範例。 PowerShell 複製 function Add-Numbers([int]$one, [int]$two) { $one + $two } 雖然慣用第一個方法,但這兩種方法之間並無差異。 當您執行函式時,您為參數提供的值會指派給包含參...
Applying Multiple conditions for each row in CSV file Approve Updates By Computer Groupt Are there commands to use instead of using certtmpl.msc? Argument was specified as a script block, and no input exists array and array list with custom object Array Contains String not comparing. Array Cou...
match, theGet-ChildItemcommand returns nothing and assigns nothing to$textFiles, which is considered$falsein a boolean context. If one or moreFileInfoobjects are assigned to$textFiles, the conditional evaluates to$true. You can work with the value of$textFilesin the body of theifstatement. ...
Parse Complex Strings in Windows PowerShell with Select-String Use a disconnected recordset to sort large data sets in VBScript Using wdsutil, Image Store in Windows Deployment Services (WDS) Security Watch: How Vendor Marketing Efforts Hinder Security ...
Well, in a VBScript Select Case statement once a true condition has been encountered the script exits Select Case; it doesn’t continue checking all the other conditions. That isn’t necessarily true in Windows PowerShell. PowerShell checked to see if $a contains 5 consecutive digits; because...
You can use the properties and methods of the object in your cmdlet or function code to respond to the conditions of use. For example, the ParameterSetName property contains the name of the parameter set that's being used, and the ShouldProcess method adds the WhatIf and Confirm paramet...
Performance improvements with large result sets. Import-CMComputerInformation SmBiosId and MacAddress can be defined when you use ComputerName instead of both being required. If neither is defined, the cmdlet will fail. Import-CMDriver New op...
Performance improvements with large result sets. Import-CMComputerInformation SmBiosId and MacAddress can be defined when you use ComputerName instead of both being required. If neither is defined, the cmdlet will fail. Import-CMDriver New optional ImportFolder parameter to indicate that...