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import os
import re





def search(search_path, search_result):
    
    all_file = os.listdir(search_path)
    
    for each_file in all_file:
        
        if os.path.isdir(search_path + each_file):
            
            search(search_path + each_file + '/', search_result)
        
        else:
            if re.findall('.*\.md$', each_file) == [each_file]:
            
                search_result.append(search_path + each_file)




def replace(replace_file_name, replace_old_str, replace_new_str):
    with open(replace_file_name, "r", encoding = "UTF-8") as f1: 
        content = f1.read()
        f1.close()
        t = content.replace(replace_old_str, replace_new_str)
    with open(replace_file_name, "w", encoding = "UTF-8") as f2:
        f2.write(t)
    f2.close()




path_list = [
    'E:/code_zone/hexo-source/source/_posts/',
    'E:/code_zone/hexo-source-butterfly/source/_posts/',
]
old_str = 'https://cdn.iocdn.cc/npm/mycpen-image-bed@0.0.0-flvvbcbcgo/image/'
new_str = 'https://cdn.iocdn.cc/npm/mycpen-image-bed@0.0.0-flvvbcbcgo/image/'

search_result = []

if __name__ == '__main__':
    result = []                 
    
    
    for path in path_list:
        search(path, result)    
    count = 0
    for file_name in result:
        replace(file_name, old_str, new_str)
        count += 1
        print("{} done  {}".format(file_name, count))