In 91

#created by 91, 檢查路徑是否存在，若不存在則建立folder
function CheckFolderExist($path)
{	
	if ((Test-Path $path) -ne $true)
    {			
		$o = mkdir $path		
    }
}

#檢查$path裡面所有副檔名為$extension的檔案，內容含有$pattern字串的檔案，按照其目錄結構備份到$backupPath，並將檔案清空
function DoStuff
{
	param ($path, $pattern, $extension, $backupPath)
		
	#透過-recurse 將$path底下所有目錄裡面，所有副檔名為$extension的檔案讀出來
	$File = Get-ChildItem $path -include *.$extension -recurse
		
	$StringVid = $pattern
	foreach ($Entry in $File) {
		#使用select-string -pattern，檢查檔案內容是否包含$pattern
		$List = select-string -pattern $StringVid $Entry
		if ($List.LongLength -gt 1) {		  		  
		  
		  #目標檔案的目錄結構
		  $backupDirPath =  $Entry.DirectoryName -replace [regex]::Escape($path) , ""
		  $backupDes = $backupPath + $backupDirPath + "\"
		  
		  CheckFolderExist $backupDes
		  
		  $Entry.FullName >> $backupPath\BouncerFileList.txt
		  cpi $Entry $backupDes		  		  		  
		  
		  #清空原本檔案內容
		  Set-Content $Entry.FullName ""
		  		  
		}
	}		
}

$path = "C:\MyHtmlFolder" #檢查目標路徑
$pattern = "不該出現的網頁內容" #網頁內容pattern
$extension = "html" #副檔名
$backupPath = "C:\backup" #備份路徑
DoStuff $path $pattern $extension $backupPath