PowerShell 复制 Measure-Command [-InputObject <PSObject>] [-Expression] <ScriptBlock> [<CommonParameters>]说明Measure-Command cmdlet 在内部运行脚本块或 cmdlet,将操作的执行时间超时,并返回执行时间。备注 脚本块由 Measure-Command 当前作用域中运行,而不是子作用域运行。
# 定义要测试的代码 $codeBlock = { 1..1000000 | ForEach-Object { $result = $_ * 2 Write-Output $result } } # 测量代码执行时间 $elapsedTime = Measure-Command $codeBlock # 输出执行时间 Write-Output …
# 测试磁盘性能 Measure-Command { $testFile = "D:\testfile.dat" $fileSizeMB = 1000 $fileContent = New-Object byte[] ($fileSizeMB * 1MB) [IO.File]::WriteAllBytes($testFile, $fileContent) Remove-Item $testFile } 示例52: 使用 PowerShell 进行磁盘空间报告生成 powershellCopy Code # 生成...
Output Get-Command [[-ArgumentList] <Object[]>] [-Verb <string[]>] [-Noun <string[]>] [-Module <string[]>] [-FullyQualifiedModule <ModuleSpecification[]>] [-TotalCount <int>] [-Syntax] [-ShowCommandInfo] [-All] [-ListImported] [-ParameterName <string[]>] [-ParameterType <PSType...
measure -> Measure-Object Alias mi -> Move-Item Alias mount -> New-PSDrive Alias move -> Move-Item Alias mp -> Move-ItemProperty Alias mv -> Move-Item Alias nal -> New-Alias Alias ndr -> New-PSDrive Alias ni -> New-Item Alias nmo -> New-Module Alias npssc -> New-PSSession...
Get-Command -Name Test-MrSupportsShouldProcess -Syntax Output 複製 Test-MrSupportsShouldProcess [[-ComputerName] <Object>] [-WhatIf] [-Confirm] [<CommonParameters>] 同樣地,您也可以使用 Get-Command 傳回實際參數名稱的清單,包括一般參數名稱,以及 WhatIf 和Confirm。 PowerShell 複製 (Get-Comma...
Measure-Object performs three types of measurements, depending on the parameters in the command. The Measure-Object cmdlet performs calculations on the property values of objects. It can count objects and calculate the minimum, maximum, sum, and average of the numeric values. For text objects, ...
比如: 熟悉 PowerShell 别名后就很容易猜到 sal 别名指的是 Set-Alias , 又比如gcm等同于Get-Command PS 支持几种其他类型的命令: 别名: Alias 功能: Function 脚本: Script 命令: Cmdlet Tips : PowerShell 命令是一个通用术语,通常用于指代 PowerShell 中任何类型的命令,不管是 cmdlet、函数还是别名。
(Measure-Command{ &$test.Value-Count$_}).TotalMilliseconds [pscustomobject]@{ CollectionSize =$_Test =$test.Key TotalMilliseconds = [Math]::Round($ms,2) } [GC]::Collect() [GC]::WaitForPendingFinalizers() }$groupResult=$groupResult|Sort-ObjectTotalMilliseconds$groupResult|Select-Object*, @...
As a cool exercise, try figuring out why the output fromNew-Itemdidn’t show up. Output and Alternatives Measure-Commandreturns aSystem.TimeSpanobject, but not the result from the script. If your study also includes the result, there are two ways you can go about it. ...