PowerShell Script to delete items from SharePoint List

 

The outcome of the below script is to delete items that are created 7 days before:

Add-PSSnapin Microsoft.SharePoint.PowerShell

[System.reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint")

$web = Get-SPWeb "YOUR SHAREPOINT SITE"

$list = $web.Lists["YOUR LIST NAME"]

$DeleteBeforeDate = [Microsoft.SharePoint.Utilities.SPUtility]::CreateISO8601DateTimeFromSystemDateTime([DateTime]::Now.AddDays(-7))

$caml='<Where> <Lt> <FieldRef Name="Created" /><Value Type="DateTime">{0}</Value> </Lt> </Where> ' -f $DeleteBeforeDate

$query=new-object Microsoft.SharePoint.SPQuery

$query.Query=$caml

$col=$list.GetItems($query)

Write-Host $col.Count

$col | % {$list.GetItemById($_.Id).Delete()}

$web.Dispose()

Fuente: http://social.technet.microsoft.com/wiki/contents/articles/17895.powershell-script-to-delete-items-from-sharepoint-list.aspx