Sitecore PowerShell Script to change media items alt
tag with image description or display Name or item name
cls
#input
$mediaTemplateName = "Image"
$mediaParentPath = "master:/sitecore/media library/Project"
$counter = 1
$allMediaItems = Get-ChildItem -Path $MediaParentPath -Recurse
$filteredMediaItems = $allMediaItems | Where-Object { $_.Fields["Alt"].Value -eq "" -and [Sitecore.Data.Managers.TemplateManager]::GetTemplate($_).InheritsFrom("Image") }
foreach($MediaItem in $filteredMediaItems) {
$altValue = $MediaItem.ImageDescription
if($MediaItem.ImageDescription -eq "" -and $MediaItem.DisplayName -ne "")
{
$altValue = $MediaItem.DisplayName.Replace(".jpg", "").Replace(".JPG", "").Replace(".png", "").Replace(".PNG", "").Replace(".gif", "").Replace(".GIF", "")
}
elseif($MediaItem.ImageDescription -eq "" -and $MediaItem.Name -ne "")
{
$altValue = $MediaItem.Name
}
#Update Alt tag
$MediaItem.Editing.BeginEdit()
$MediaItem.Fields["Alt"].Value = $altValue
$MediaItem.Editing.EndEdit()
Write-Host $counter " -> " $altValue " -> " $MediaItem.ItemPath
$counter = $counter + 1
}
Any suggestions or improvements are most welcome.
