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Sitecore PowerShell script to locate media items without reference to any other item.
<#
.SYNOPSIS
Lists all media items that are not linked to other items.
.NOTES
Michael West
#>
# HasReference determines if the specified item is referenced by any other item.
function HasReference {
param(
$Item
)
$linkDb = [Sitecore.Globals]::LinkDatabase
$linkDb.GetReferrerCount($Item) -gt 0
}
<#
Get-MediaItemWithNoReference gets all the items in the media library
and checks to see if they have references. Each item that does not
have a reference is passed down the PowerShell pipeline.
#>
function Get-MediaItemWithNoReference {
$items = Get-ChildItem -Path "master:\sitecore\media library" -Recurse |
Where-Object { $_.TemplateID -ne [Sitecore.TemplateIDs]::MediaFolder }
foreach($item in $items) {
if(!(HasReference($item))) {
$item
}
}
}
# Setup a hashtable to make a more readable script.
$props = @{
InfoTitle = "Unused media items"
InfoDescription = "Lists all media items that are not linked to other items."
PageSize = 25
}
# Passing a hashtable to a command is called splatting. Call Show-ListView to produce
# a table with the results.
Get-MediaItemWithNoReference |
Show-ListView @props -Property @{Label="Name"; Expression={$_.DisplayName} },
@{Label="Updated"; Expression={$_.__Updated} },
@{Label="Updated by"; Expression={$_."__Updated by"} },
@{Label="Created"; Expression={$_.__Created} },
@{Label="Created by"; Expression={$_."__Created by"} },
@{Label="Path"; Expression={$_.ItemPath} }
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