ForEach 建構會針對每個物件處理一次大括弧之間的 Windows PowerShell 命令。 處理命令時,$user 是包含陣列中每個項目的變數。 在第一個反覆項目上,$user 包含$users[0],而在第二個反覆項目上,$user 包含$user[1]。 這會繼續執行,直到陣列中的所有項目都已處理一次為止。 在指令碼中,For
PowerShell 中的循环迭代计数通常是通过 for 循环或 foreach 循环来实现的。下面我将分别介绍这两种循环的基本概念、优势、类型、应用场景以及如何解决可能遇到的问题。 基本概念 for 循环 for 循环是一种预定义迭代次数的循环结构,适用于需要精确控制循环次数的场景。 foreach 循环 foreach 循环用于遍历集合或数组中...
-f $item.FullName, $errors.Count Write-Warning $msg } :tokenLoop foreach ($token in $tokens) { if ($token.Kind -ne 'Function') { continue } $position = $token.Extent.StartLineNumber do { if (-not $foreach.MoveNext()) { break tokenLoop } $token = $foreach.Current } until (...
I've got a plain text file with two server\instance names in it. The goal is to loop through each one, run some queries, and output the results to Excel files. It actually works as I'd want it to, but also kicks out some errors, as well as an extra excel file named _cfr_0916...
{ sleep1;Write-Output"hello2day$_"}7: }# 8:9:$count=1010:$psName="PowerShell"11:*$winRMName="WinRM"12:$myVar=102# 13:14:for($i=0;$i-lt$count;$i++)15: {16: sleep117:Write-Output"Loop iteration is:$i"18:Write-Output"MyVar is$myVar"# 19:20: hello2day# 21:[localhost]...
下面的工作流包含一个foreach -Parallel语句,该语句处理Get-Disk活动获取的磁盘。foreach -Parallel脚本块中的命令按顺序运行,但它们对磁盘并行运行。 可能会以并发方式按任何顺序来处理磁盘。 PowerShell workflowTest-Workflow{$Disks=Get-Disk# The disks are processed in parallel.foreach-Parallel($Diskin$Disks...
问如何在PowerShell中使用循环来匹配某个文件和字符串？EN在之前的两篇文章中，我已经教大家如何使用证书...
for($i=0;$i -lt $PathCount;$i++) { $total=0 foreach ($singleCounterArray in $CounterArray) { $total=$total+$singleCounterArray.CounterSamples[$i].CookedValue } $averageValue= $total/$CounterArray.count $countPath=$CounterArray[0].CounterSamples[$i].Path; $countPath=$countPath.Subst...
Count 50000 Measure-Command { $logs = $logNames | ForEach-Object { Get-WinEvent -LogName $_ -MaxEvents 5000 2>$null } } TotalMilliseconds : 229768.2364 (3 minutes 50 seconds) $logs.Count 50000 The script above collects 50,000 log entries on the local machine from 10 system log names....
How to run Foreach loop twice HI, I wonder if it's possible to run a foreach loop 2 time, for example $x=1..5 foreach ($v in $x) { Write-Host $v if ($foreach.current -eq $x.Count){ Write-Host "I reach the e...Show More Windows PowerShell Like 0 Reply farismalaeb to...