powershell 实现合并目录下的文件并保存到指定文件

# 合并目录下的所有文件，并以UTF8格式保存到指定文件
function funcCombinFilesInUTF8($fileDir, $destFile)
{
    
	echo '' | out-file -Encoding utf8 -filepath $destFile
	$fileList = Get-ChildItem  $fileDir

	Foreach($file in $fileList)
	{
	   get-content $file.fullname | out-file -append -Encoding utf8  $destFile
	   echo '' | out-file -append -Encoding utf8 $destFile
	}
	
}

function funcCombinFiles($fileDir, $destFile)
{
    echo '' > $destFile
	$fileList = Get-ChildItem  $fileDir

	Foreach($file in $fileList)
	{
	   get-content $file.fullname >> $destFile
	   echo '' >> $destFile
	}
	
}

funcCombinFilesInUTF8 'C:\Users\shadow\Desktop\tmp' 'C:\Users\shadow\Desktop\tmp_all.txt'
funcCombinFiles 'C:\Users\shadow\Desktop\tmp' 'C:\Users\shadow\Desktop\tmp_all2.txt'