Læg strenge sammen

Write-host "$($Id)  -  $($Name)  -  $($Owner)"

Write-host  ("{0}  -  {1}  -  {2}" -f $Id,$Name,$Owner )

Write-host $Id  "  -  "   $Name  "  -  "  $Owner

Types

Type	Description
[int]	32-bit signed integer
[long]	64-bit signed integer
[string]	Fixed-length string of Unicode characters
[char]	A Unicode 16-bit character
[byte]	An 8-bit unsigned character
[bool]	Boolean True/False value
[decimal]	An 128-bit decimal value
[single]	Single-precision 32-bit floating point number
[double]	Double-precision 64-bit floating point number
[xml]	Xml object
[array]	An array of values
[hashtable]	Hashtable object

Select-Object with @ and not

Get-WmiObject Win32_Volume -Filter ("DriveType={0}" -f [int][System.io.Drivetype]::removable)| Select-Object Label

Get-WmiObject Win32_Volume -Filter ("DriveType={0}" -f [int][System.io.Drivetype]::removable)| Select-Object -ExpandProperty label

DataTable DataView Sort

$dt = new-object System.Data.dataTable

$dt.Columns.Add("Name") | Out-Null
$dt.Columns.Add("size", [int]) | Out-Null


$row = $dt.NewRow()  
$row["Name"] = "Test"
$row["size"] = 10
$dt.Rows.Add($row)


$row = $dt.NewRow()  
$row["Name"] = "Test 2"
$row["size"] = 20
$dt.Rows.Add($row)


$dw = New-Object System.Data.DataView($dt)
$dw.Sort="size DESC"


$dw | Format-Table -AutoSize  # Or $dw | Out-GridView

$dt.Close
$dw.close



Output


Name   size
----   ----
Test 2   20
Test     10

How to get PowerShell version

write-host $host.version

Clear all events in all windows eventlogs (must be run as administrator)

Get-EventLog -list | foreach { Clear-EventLog $_.Log }

Sort folder after date (dir /od)

 get-childitem | sort-object LastWriteTime