一段很小的代码，注册当前目录下所有的DLL到GAC，请先把gacutil.exe复制到同一个目录。

$Path = Get-Location

$Dir = Get-ChildItem "$Path" -Recurse

$Dlls = $Dir | Where { $_.extension -eq ".dll" }

$Dlls | ForEach-Object { .\gacutil.exe -i $_.name }