查找目录下的文件

 1 import os
def check_file(start_dir, target): 
    os.chdir(start_dir)
    for each_file in os.listdir(os.curdir):
        if each_file == target:
            print(os.path.join(os.getcwd(), each_file))    
        if os.path.isdir(each_file):                    
            check_file(each_file,target)
            os.chdir(os.pardir)


start_dir = input('请输入待查找的初始目录：')
target = input('请输入要查找的目标文件：')
check_file(start_dir, target)

#查找目录下的格式文件mp4,rmvb,avi
import os

def check_file(start_dir):
    
    os.chdir(start_dir)
    for each_file in os.listdir(os.curdir):
        if os.path.isfile(each_file):
            f_extension= os.path.splitext(each_file)[1]         
            if f_extension in extension:
                vedioList.append(os.getcwd()+each_file+os.linesep)             
        if os.path.isdir(each_file):
            check_file(each_file)
            os.chdir(os.pardir)      
                 
start_dir = input('请输入待查找的初始目录：')
vedioList = []
extension = ['.mp4','.rmvb','.avi']
check_file(start_dir)

f = open('F:\veidoList.txt','a')
f.writelines(vedioList)
f.close()