bat将指定文件转换为utf-8格式

1.将指定文件装换为utf-8

set "file=C:\Users\Administrator\Desktop\aws\ou.txt"
powershell ^
    $txt = gc -LiteralPath '%file%';^
    $Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False;^
    [System.IO.File]::WriteAllLines('%file%', $txt, $Utf8NoBomEncoding);