Sometimes users create many versions of a document inadvertently. An example is a PDF, where properties may have been edited frequently. In SP2013 there is Shredded Storage, which handles storage of deltas (differential save). in SharePoint, 2010 versions can result in a lot of wasted disk storage. Let\u2019s clean it up!<\/p>\n
$web=Get-SPWeb \"ht tp:\/\/SharePoint\"\r\n \r\n for ($i=0;$i -lt $web.Lists.Count;$i++)\r\n { \r\n $JPLib=$web.Lists[$i];\r\n $A_Lib_Count++;\r\n $SkipLib=$true; #true\r\n \r\n if ( ($JPlib.BaseType -ne \"DocumentLibrary\") -or ($JPlib.hidden) )\r\n {\r\n # forget the rest and return to top\r\n Write-Host -foregroundcolor blue \"fast test skipping Library: $($JPlib)\"; \r\n Add-Content $mylogfile \"Skipping Library: $($JPlib.title)`n\"; \r\n }\r\n elseif ($JPLib.Title -Match \"SitesAssets|Photo|Image|CustomizedsReports|Templates|Pages|Picture|cache|style|Slide\")\r\n {\r\n # forget the rest and return to top\r\n Write-Host -foregroundcolor blue \"fast test skipping Library because it mentions $Matches: $($JPlib)\"; \r\n Add-Content $mylogfile \"Skipping Library: $($JPlib.title)`n\"; \r\n }\r\n elseif ($JPLib.BaseTemplate -ne \"DocumentLibrary\") #alternatively, only skip if -eq XMLForm\r\n {\r\n # forget the rest and return to top\r\n Write-Host -foregroundcolor blue \"fast skipping Library because it is not of base DocumentLibrary, it is BaseType:$($JPlib.basetemplate): $($JPlib.title)\"; \r\n Add-Content $mylogfile \"fast skipping Library because it is not of base DocumentLibrary, it is BaseType:$($JPlib.basetemplate): $($JPlib.title)`n\"; \r\n }\r\n elseif (($JPLib.ThumbnailsEnabled) -or ($JPLib.DefaultView -eq \"AllSlides\"))\r\n {\r\n # forget any library with thumbnails, these are not normal doclibs, and return to top\r\n Write-Host -foregroundcolor blue \"fast test skipping Library because it has Thumbnails\/Slides $($JPlib)\"; \r\n Add-Content $mylogfile \"fast test skipping Library because it has Thumbnails\/Slides: $($JPlib)`n\"; \r\n }\r\n else\r\n { $SkipLib=$false; }\r\n \r\n \r\n if (!$SkipLib)\r\n {\r\n write-Host -foregroundcolor darkgreen \"Processing Library to Merge: $($JPlib)\"; \r\n Add-Content $mylogfile \"Processing to merge: $($JPlib)`n\"; \r\n \r\n $JPItems = $JPLib.items;\r\n $JPCount = $JPitems.count;\r\n \r\n for ($itemIndex=0; $itemIndex -lt $JPCount; $itemIndex++)\r\n {\r\n $JPItem=$JPItems[$itemIndex];\r\n $FName=$JPItem.file.name;\r\n \r\n \r\n if ($FName -match \".pdf\") #you choose the criteria, here I match on pdfs\r\n {\r\n $JPFile=$JPItem.file;\r\n Write-Host \"Deleting $($JPFile.Versions.Count), size of each: $($JPFile.properties.vti_filesize),$($JPitem.url)\"\r\n \r\n $JPfile.Versions.DeleteAll()\r\n }\r\n \r\n continue; # don't mess with timestamp\/author just yet\r\n \r\n \r\n [Microsoft.SharePoint.SPSecurity]::RunWithElevatedPrivileges(\r\n {\r\n [System.DateTime]$date = $SourceItem[\"Modified\"]\r\n $TargetItem[\"Modified\"]=$date;\r\n try {\r\n $TargetItem[\"Editor\"] = $SourceItem[\"Editor\"]\r\n }\r\n catch\r\n {\r\n write-host -foregroundcolor red \"Error could not assign editor of $($targetItem.url)\"\r\n }\r\n \r\n \r\n $TargetItem.update() \r\n try\r\n { # two deletes required\r\n $TargetItem.Versions[1].delete()\r\n $TargetItem.Versions[1].delete()\r\n }\r\n catch\r\n {\r\n write-host -foregroundcolor red \"Warning: could not delete old version of $($targetItem.url)\"\r\n }\r\n \r\n })\r\n }\r\n }\r\n} \r\n<\/pre>\n