PowerShellでSHIFT-JIS to UTF-8 BOM

SHIFT-JISからUTF-8へ一括変換。
変換後はBOM付でした。

PS > Get-ChildItem ./ -Recurse -Include *.R | Rename-Item -NewName {$_.FullName + “.bkup”}| Rename-Item -NewName {$_.FullName + “.bkup”}
PS > Get-ChildItem ./ -Recurse -Include *.R.bkup | ForEach-Object {Get-Content $_.FullName | Out-File -Encoding UTF8 ($_.FullName -replace ‘.R.bkup’,’.R’)}