1 1.Variable declaration 1 所有的变量都必须以$开始 1 Example: [int]$valA = 2; [int]$valB = 3; [int]$valC = 0; $valC = $valA + $valB; write-host("The sum is: " + $valC); 2.Arrays Example: $myArray = 1,2,3,4,5,6,7,8,9,1
type-name: type-identifier type-name . type-identifier type-identifier: type-characters type-characters: type-character type-characters type-character type-character: A Unicode character of classes Lu, Ll, Lt, Lm, Lo, or Nd _ (The underscore character U+005F) array-type-name: type-name [...
The following example shows the declaration of a ComputerName parameter that has the following characteristics: It's mandatory (required). It takes input from the pipeline. It takes an array of strings as input. PowerShell Copy param( [Parameter(Mandatory=$true, ValueFromPipeline=$t...
$a = 1..999999 will put 999,999 items into an array in 60ms on my machine – $variable = Something_which_outputs_an_array is usually a quick operation. $a += 1000000 takes 100ms. Adding the millionth item takes as long as adding the first few thousand. The first 100K take a few...
注册表编辑器还不支持按住Shift进行多选,所以只能使用脚本进行批量删除。 !!!友情提示,删除之前请...
computername is a single string or an array of strings. It is mandatory, and it accepts string pipeline input—meaning if you pipe in a bunch of strings, they’ll be automatically dropped into the $computername variable. pingfirst is not mandatory, but if you do use it, you should use...
When you invoke the Export operation, DSC returns an array of resources instance definitions you can copy into a configuration document. Declaring resource instances DSC configuration documents enable managing more than one resource or resource instance at a time. Configuration documents declare a ...
Script level parameters can be accessed in two ways. The first is with the $args variable which is a built-in variable that is auto-populated with an array of objects containing the values passed to the script. --- Begin script foo.ps1 --- Write...
An array of strings that specify the local cache modes. You can use one or more local cache modes at the same time. This is only used forLOCALcache types.Possible values are: LOCAL_SOURCE_CACHE Caches Git metadata for primary and secondary sources. After the cache is created, subsequent bu...
通过执行策略可以限制 PowerShell 脚本的执行范围,为系统管理员提供一定的安全保障。策略可以限制执行脚本...