python文件对比

 #-*- encoding:utf-8 -*-

 class loadDatas(object):
     def __init__(self):
         self.path='./data'
     def load_compare(self):
         l1={}
         f1=open(self.path+'/95b.txt',encoding='utf-8')
         l2={}
         f2=open(self.path+'/05b.txt',encoding='utf-8')
         f=open(self.path+'/1.txt','a')
         # w2=open('./data/1.txt','a')

             # flag=1
         str1=[]
         # print(type(str1))
         # int i
         for line2 in f2:
             print(line2)
             (tag2,name)=line2.strip().split("  ")
             flag=0
             for line1 in f1:
             # 读完一次循环后，line1已经到底了，第2次循环便不进入;
             # f1.readlines()只能进入一次，一次读取整个文件;

                 (tag1,name)=line1.strip().split("  ")
                 print(tag1)
                 if tag2==tag1:
                     print("a")
                     flag=0
                     break
                 else:
                     print('d')
                     flag=1
                     # break
             # print("aa")
             if flag==1:
                 # print("aa")
                 str1.append(line2)
             f1.seek(0)
         print(str1)
         f.writelines(str1)   

         f1.close()
         f2.close()
         f.close() 

 if __name__=='__main__':
     ld=loadDatas()
     ld.load_compare()