> For the complete documentation index, see [llms.txt](https://cajac.gitbook.io/ctf-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cajac.gitbook.io/ctf-notes/prog/powershell/looping.md). # Looping ## Looping examples Some looping examples with `%` an alias for `ForEach-Object` ```powershell PS C:\> Get-Alias -Name % CommandType Name Version Source ----------- ---- ------- ------ Alias % -> ForEach-Object ``` ### Ping a given IP range This example will ping IP-addresses from 10.0.2.1 to 10.0.2.15 ```powershell 1..15 | % {Write-Output "10.0.2.$_"; ping -n 10.0.2.$_ | Select-String ttl} ``` ### Simple port scanner This example will scan ports 1-1024 on 10.10.30.55 ```powershell 1..1024 | % {Write-Output ((New-Object Net.Sockets.TcpClient).Connect("10.10.30.55", $_)) "Open port on - $_"} 2>$null ``` ## Resources about\_Foreach - Microsoft Learn: