Uses powershell to remove files from one directory, if they exist in the same relative path in another directory

remove_duplicate_files.ps1

# Folder to REMOVE files from
$targetPath = "C:\Users\mike-\Desktop\csgo\"

# Folder to CHECK for files
$sourcePath = "C:\Users\mike-\Desktop\css\"

# Sub-folder that exists in both folders
$assetFolder = "models"

# Set to $true to output duplicates
# Set to $false to delete duplicates
$testRun = $true


$fullTargetPath = "$($targetPath)$($assetFolder)\"
Write-Host "Files will be deleted from $fullTargetPath"
Start-Sleep -Seconds 4

$targetFiles = Get-ChildItem -File -Recurse $fullTargetPath

for ($i=0; $i -lt $targetFiles.Count; $i++) {
    $file = $targetFiles[$i]
    $targetPathForFile = $file.FullName
    $relativeFilePath = $targetPathForFile.Replace($targetPath, "")

    $sourcePathForFile = "$($sourcePath)$($relativeFilePath)"
    if ((Test-Path $sourcePathForFile)) {
        Write-Host "Duplicate file- $relativeFilePath"
        if($testRun -eq $false) {
            Remove-Item $targetPathForFile
        }
    }
}

if($testRun -eq $true) {
    Write-Host "Files will be deleted from $fullTargetPath"
}
else {
    Write-Host "Files have been deleted from $fullTargetPath"
}