Delete sharepoint list item by power shell

1. Create new PowerShell (.ps1) file with below script using Notepad

$Url = "http://site-url:5000"
$ListName = "Sales 2013"
$Web = Get-SPWeb $Url
$List = $Web.lists[$ListName]

if($List -eq $null)
{    
  Write-Error "The List cannot be found";return
}

Write-Warning "Deleting all list items from $($ListName)"
$Items = $List.GetItems()
Write-Host "Total Items to be deleted : $($Items.count)"

if($Items.count -gt 0)
{
  $shell = new-object -comobject wscript.shell
  $result = $shell.popup("Total Item to be deleted : $($Items.count) `nDo   you want to continue?",0,"Alert",4+32)

if($result -eq "6")
{
foreach ($item in $Items)
{
  $itemId = $item.ID
  $List.GetItemById($itemId).Delete()
  Write-Host "Deleted list item with id $($itemId)"
}
}
}
$List.Update()
$Web.Dispose()


2. Replace values of parameters $Url and $ListName

3. Save file in server hard drive (Example: D:\PowerShell\Delete-List-Items.ps1)

4. Open "SharePoint 2010 Management Shell" with "Run as administrator"

5. Navigate to the folder where the script  file is stored
    (Example: cd D:\PowerShell)

6. Select file to be executed
    (Example: .\Delete-List-Items.ps1)