文章标题

忽略#号

#!/usr/bin/env python
#coding:utf-8
"""
file:忽略#号.py
date:2017-09-10 11:12 AM
author:lihang
desc:

"""
# filename = raw_input("请输入一个文件名：")
# f = open(filename,"a+")
# b = f.readlines()
# for i in b:
#     i = i.strip()
#     if not i.startswith("#"):
#         print i
filename = raw_input("请输入一个文件名：")
with open(filename,"a+") as f:
for i in f:
i = i.strip()
if not i.startswith("#"):
print i
print f.closed

显示文件十行内容

#!/usr/bin/env python
#coding:utf-8
"""
file:显示十行.py
date:2017-09-11 12:17 AM
author:lihang
desc:

"""
n = 1
with open('file','a+') as f:
for line in f:
if n % 11 != 0:
print line,
n += 1
else:
choice = raw_input("是否继续？(Y/N)").upper()
n += 1
if choice == "N":
break

找出一个目录中以.log结尾的文件

#!/usr/bin/env python
#coding:utf-8
"""
file:os操作.py
date:2017-09-10 4:06 PM
author:lihang
desc:

"""
import os
dir = raw_input("请输入一个存在的目录名：")
l = [i for i in os.listdir(dir) if i.endswith(".log")]
for i in l:
print i
f = open("log.md","a+")
f.write(i+"\n")
f.close()
path = os.path.abspath("log.md")
print path