Python入门：文件内容去重操作

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# 　　学习是一种态度，只要你有态度，学习将会是一种乐趣
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# python3.5
'''
1、对特定文件内容进行去重操作
2、请输入需要去重文件的绝对路径
3、删除文件中的空行
4、去除字符串前后空行
5、生成一个以当前日期命名的文件
'''

import time

year = time.localtime().tm_year
mon = time.localtime().tm_mon
day = time.localtime().tm_mday
hour = time.localtime().tm_hour
min = time.localtime().tm_min
sec = time.localtime().tm_sec
nowtime = str(year) + str(mon) + str(day) + str(hour) + str(min) + str(sec)

f = input("please entry the file[absolute path]:")

def openThefile():
'''
1、打开要去重的文件
2、删除每行数据前后的无用字符
:return:
'''
ff = open(f, 'r')
l = []
# for i in ff.readline():     #readline是文件中的第一行内容
for i in ff.readlines():  # 所有内容中的每一行
ii = i.replace('\t', '').strip()
l.append(ii)
ff.close()
return l

def createNewfile(openThefile):
'''
去重操作
:param openThefile:
:return:
'''
l = []
for i in openThefile:
if i not in l:
l.append(i)
'''
创建新文件
'''
filename = f[:f.find('.')]
postfix = f[f.find('.'):]
theNewfile = open(filename + nowtime + postfix, 'a')
'''
写入处理过的内容
'''
for i in l:
theNewfile.writelines(i + '\n')
theNewfile.close()

if __name__ == '__main__':
createNewfile(openThefile())

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