You can create a toolbox of useful small functions. Add these functions to your PowerShell profile, as described inabout_Profilesand later in this article. Function names You can assign any name to a function. However, for functions that you share with others, you should follow the standard...
function InitializePropertyConfigXml() { $xmlDoc = New-Object System.Xml.XmlDocument $decl = $xmlDoc.CreateXmlDeclaration("1.0", "utf-8", $null) $xmlDoc.InsertBefore($decl, $xmlDoc.DocumentElement) $confRoot = $xmlDoc.CreateElement("configuration") $xmlDoc.AppendChild($confRoot) return $xm...
如果只指定Value 參數,則會顯示 Value 的所有可能值或自變數。 指定Type 參數時,Value 參數只會顯示該類型的可能值。 此外, -like 運算符可確保如果使用者輸入下列命令並使用 Tab 完成,則只會 傳回Apple。 Test-ArgumentCompleter -Type Fruits -Value A PowerShell 複製 function MyArgumentCompleter{ para...
function Test-MrPipelineInput { [CmdletBinding()] param ( [Parameter(Mandatory, ValueFromPipeline)] [string[]]$ComputerName ) process { Write-Output $ComputerName } } Accepting pipeline input by property name is similar, except you specify it with the ValueFromPipelineByPropertyName parameter at...
With Windows PowerShell version 5.0, we can now create and define our custom classes. Change your function into a class, and thereturnkeyword will only return the single object immediately preceding it. Example Code: class test_class {[int]return_what() {Write-Output"Hello, World!"return1000...
}// End of function BeginProcessing(). 此cmdlet 还重写 System.Management.Automation.Cmdlet.ProcessRecord 方法,以处理用户在命令行上进行的字符串选择。 它通过调用私有 MatchString 方法,以自定义对象的形式写入字符串选择的结果。 C# 复制 protected override void ProcessRecord() { UInt64 lineNumber ...
在Win7下只要右击脚本文件，选择Run with PowerShell，就会自动找到最占内存的10个进程，然后将它们占用...
在非Windows 平台上Create永久性环境变量 Linux 和 macOS 具有操作系统在启动应用程序之前用于设置环境变量的配置文件和脚本。 将PowerShell 作为默认 (登录) shell 运行时,可以在操作系统支持的全局初始化文件中定义环境变量。 例如,在 Linux 上,可以将环境变量添加到 文件,/etc/environment或创建一个脚本来设置环...
function Create-Processor { param ( [scriptblock]$ProcessItem ) return { for ($i = 0; $i -lt 5; $i++) { & $ProcessItem -Index $i } } } # 创建一个处理器并立即执行 $processor = Create-Processor -ProcessItem { param($Index) Write-Output "Processing item $Index" } & $processor...
Use logical operators (-and,-or,-xor,-not,!) to connect conditional statements into a single complex conditional. For example, you can use a logical-andoperator to create an object filter with two different conditions. For more information, seeabout_Logical_Operators. ...