# Load SharePoint library
[system.reflection.assembly]::LoadWithPartialName("Microsoft.Sharepoint")

# Connect to the site collection http://SP2010 and store the object in the
$site variable
 $site = New-Object Microsoft.SharePoint.SPSite("http://SP2010")

 # Connect to the root site in the site collection and store the object in $root
 $root = $site.rootweb

 # Store the Shared Documents document library in a variable $Docs
 $docs = $root.lists["Shared Documents"]

 # Display all the documents, their titles, names and IDs
 $docs.items | format-table -property title,name,id

 # Updates the title for each item in the list with Name
 $docs.items | ForEach { $_["Title"] = $_["Name"]; $_.Update() }

 # Display all the documents, their titles, names and IDs
 $docs.items | format-table -property title,name,id