Removing Unused Attachments (Images) from Azure DevOps Wiki

remove-unused-attatchments.ps1

# The root directory of your local repository
$rootDirectory = 'C:\path\to\your\repo'

# The attachments directory
$attachmentsDirectory = Join-Path -Path $rootDirectory -ChildPath '.attachments'

# Get a list of all the image files in the attachments directory
$imageFiles = Get-ChildItem -Path $attachmentsDirectory -File

# Get a list of all the markdown files in the repository
$markdownFiles = Get-ChildItem -Path $rootDirectory -Recurse -Filter *.md

# Iterate over each image file
foreach ($imageFile in $imageFiles) {
    # The name of the image file
    $imageName = $imageFile.Name

    # Assume that the image is not used until we find a reference to it
    $imageUsed = $false

    # Iterate over each markdown file
    foreach ($markdownFile in $markdownFiles) {
        # Read the content of the markdown file
        $markdownContent = Get-Content -Path $markdownFile.FullName

        # Check if the content contains a reference to the image file
        if ($markdownContent -match $imageName) {
            # The image is used
            $imageUsed = $true

            # No need to check the other markdown files
            break
        }
    }

    # If the image is not used, then delete it
    if (-not $imageUsed) {
        Remove-Item -Path $imageFile.FullName
    }
}