powershell-Write-Host 回显本行

# 记录当前位置
$cursorLeft = [Console]::CursorLeft
$cursorTop = [Console]::CursorTop

# 遍历所有视频文件
foreach ($video in $videos) {
	# 不断刷新着显示正在扫描的视频
	Write-Host $video.FullName  -NoNewline
	Write-Host -NoNewline (" " * [Console]::CursorLeft)
	[Console]::SetCursorPosition($cursorLeft, $cursorTop)
}

# 换行
Write-Host ""