$files = Get-ChildItem -Path C:\DBAdmin\brain -Recurse -Filter *.md
foreach ($file in $files) {
    $content = Get-Content -Path $file.FullName -Raw
    $newContent = $content -creplace 'llm-wiki', 'llm-knowledge'
    $newContent = $newContent -creplace 'rag-vs-wiki', 'rag-vs-knowledge'
    $newContent = $newContent -creplace 'wiki/', 'knowledge/'
    $newContent = $newContent -creplace 'Wiki', 'Knowledge Base'
    $newContent = $newContent -creplace 'wiki', 'knowledge'
    
    if ($content -cne $newContent) {
        Set-Content -Path $file.FullName -Value $newContent
    }
}

$filesToRename = Get-ChildItem -Path C:\DBAdmin\brain -Recurse | Where-Object { $_.Name -match 'wiki' }
foreach ($file in $filesToRename) {
    $newName = $file.Name -replace 'wiki', 'knowledge'
    Rename-Item -Path $file.FullName -NewName $newName
}