$results= @()$results+=Get-Something$results+=Get-SomethingElse$results 数组添加效率低下,因为数组的大小固定。 每次添加数组都会创建一个新数组,足以容纳左右操作数的所有元素。 这两个操作数的元素将复制到新数组中。 对于小型集合,这种开销可能无关紧要。 大型集合的性能可能会受到影响。
$results= @()$results+=Get-Something$results+=Get-SomethingElse$results 数组添加效率低下,因为数组的大小固定。 每次添加数组都会创建一个新数组,足以容纳左右操作数的所有元素。 这两个操作数的元素将复制到新数组中。 对于小型集合,这种开销可能无关紧要。 大型集合的性能可能会受到影响。
Get-ChildItem -Path ExampleDirectory\ -Filter *.txt -Recurse | Format-Table FullName In this script, we strategically utilize Get-ChildItem to scour ExampleDirectory\ and its subdirectories for .txt files. The -Filter *.txt parameter is key, as it ensures that our search is focused and ...
Get-WinEvent[-Path] <String[]> [-MaxEvents <Int64>] [-Credential <PSCredential>] [-FilterXPath <String>] [-Oldest] [<CommonParameters>] PowerShell Get-WinEvent[-MaxEvents <Int64>] [-ComputerName <String>] [-Credential <PSCredential>] [-FilterHashtable] <Hashtable[]> [-Force] [-Olde...
add columns into existing csv file from powershell script Add "Full Control" to a Folder Add a carriage return in a .csv file Add a Property to an Array that Adds a Range of IPs Add a URL rewrite condition on IIS using Powershell Add Array Items to Listbox Add blank column to csv ...
Invoke-Commandcmdlet 在本地计算机上执行,并将ScriptBlock发送到远程计算机。ComputerName参数指定远程计算机Server01。ScriptBlock参数在远程计算机上运行Get-ExecutionPolicy。Get-ExecutionPolicy对象沿管道向下发送到Set-ExecutionPolicy。Set-ExecutionPolicy将执行策略应用于本地计算机的默认范围。LocalMachine ...
"Second named scriptblock argument is: $secondNamedArgument" } & $scriptBlock -First One -Second 4.5 Results: PS C:Usersv-ylian> .Get-Arguments.ps1 First 2 First named argument is: First Second named argument is: 2 First positional function argument is: One ...
Below is an example of looping through a list of computers stored in the$computersarray then running theinstall-powershell.ps1script on all of them. $creds= $(Get-Credential)ForEach($computerin$computers){Invoke-Command-ComputerName$computer-Credential$creds{iex"& {$(irmhttps://aka.ms/install...
To run a script, type the full name and the full path to the script file. For example, to run the Get-ServiceLog.ps1 script in the C:\Scripts directory, type: PowerShell Copy C:\Scripts\Get-ServiceLog.ps1 To run a script in the current directory, type the path to the current ...
To run a script, type the full name and the full path to the script file. For example, to run the Get-ServiceLog.ps1 script in the C:\Scripts directory, type: PowerShell C:\Scripts\Get-ServiceLog.ps1 To run a script in the current directory, type the path to the current directory...