find_str.py

# -*- coding: cp936 -*-
import os

# 目的：查找一个目录下的包含指定字符串的文件
dir_name = raw_input("Please input the dir you want to find：/n")
find_str = raw_input("Please input the sting you want to find：/n")

def my_find(dir_name, find_str, results):
    myfiles = os.listdir(dir_name)
    for myfile in myfiles:
        file_name = dir_name + "//" + myfile
       
        if os.path.isfile(file_name):
            f = open(file_name, 'r')
            filer = f.read()
            if(find_str in filer):
                results.append(file_name)
            f.close()
        elif os.path.isdir(file_name):
            my_find(file_name, find_str, results)
    return results

results = []           
results = my_find(dir_name, find_str, results)
for result in results:
    print result