把多个文件按照行数分割成几个文件
from datetime import datetime
def Main():
source_dir = 'result.txt'
target_dir = './'
# 计数器
flag = 0
# 文件名
name = 1
# 存放数据
dataList = []
print("开始。。。。。")
print(datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
with open(source_dir, 'r') as f_source:
for line in f_source:
flag += 1
dataList.append(line)
if flag == 1000000:
with open(target_dir + "jz_yuanshi_list_" + str(name) + ".txt", 'w+') as f_target:
for data in dataList:
f_target.write(data)
name += 1
flag = 0
dataList = []
# 处理最后一批行数少于200万行的
with open(target_dir + "jz_yuanshi_list_" + str(name) + ".txt", 'w+') as f_target:
for data in dataList:
f_target.write(data)
print("完成。。。。。")
print(datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
if __name__ == "__main__":
Main()
标签:__,文件,切割,python,datetime,dataList,target,dir,name
From: https://www.cnblogs.com/pangya/p/16715748.html