Add an attachment to the SharePoint 2010 list item using web service in powershell

In this blog you will see how to add an attachment to the SharePoint list item using web service in powershell

Steps Involved:

1. Open SharePoint 2010 Management Shell by going to Start | All Programs | SharePoint | Microsoft SharePoint 2010 Products | SharePoint 2010 Management Shell (Run as Administrator).
2. Run the following script.

Powershell Script:

## Input Parameters required for attaching a file to the list item       $uri="http://serverName:10736/sites/ECT/_vti_bin/Lists.asmx?wsdl"       [string] $listItemId="3"       [string] $listName="List"       [string] $fPath = "D:\Lists.xml"                ## Check if the file exists in the path specified       if([System.IO.File]::Exists($fPath))       {             ## Read the file             $fStream=[System.IO.File]::OpenRead($fPath)             [String] $fName=$fStream.Name             [System.Byte[]]$bytes=New-Object -TypeName System.Byte[] -ArgumentList $fStream.Length             $fStream.Read($bytes, 0, [int]$fStream.Length)           $fStream.Close()                         ## Attach the file to the list item using web service             $listWebServiceReference = New-WebServiceProxy -Uri $uri -UseDefaultCredential             Write-Host -ForegroundColor Magenta "Adding the attachement to the list item........."             $listWebServiceReference.AddAttachment($listName,$listItemId,$fName,$bytes)             Write-Host -ForegroundColor Green $fName " is attached successfully to the list item"             }       else       {           Write-Host -ForegroundColor Yellow "File does not exists in the specified path " $fPath       }

For more information on New-WebServiceProxy please refer http://technet.microsoft.com/en-us/library/dd315258.aspx.