#add PASS ---------------
import os
filepath = os.path.abspath('.')
def eachFile(filepath):
    pathDir = os.listdir(filepath)      #獲取當前路徑下的檔名，返回List
    for s in pathDir:
        newDir=os.path.join(filepath,s)     #將檔案命加入到當前檔案路徑後面
        if os.path.isfile(newDir) :         #如果是檔案
            print("Running . . .")
            if os.path.splitext(newDir)[1]==".txt":  #判斷是否是txt
                file = open(newDir, 'r')
                content = file.read()
                file.close()
                pos = content.find("2.4G MAC address")
                if pos != -1:
                    content = content[
                              :pos] + "\n" + "=========================================================================" + "\n" + "*****************" + "\n" + "**** P A S S ****" + "\n" + "*****************" + "\n" + content[
                                                                                                                                                                                                                         pos:]
                    file = open(newDir, "w")
                    file.write(content)
                    file.close()
                pass
        else:
            eachFile(newDir)                #如果不是檔案，遞迴這個資料夾的路徑

eachFile(filepath)