#!/usr/bin/python
#-*-coding:utf-8-*- #指定编码格式，python默认unicode编码
import os
directory =
"./dir"
os.chdir(directory) #切换到directory目录
cwd = os.getcwd()
#获取当前目录即dir目录下
print(
"------------------------current working directory------------------")
def deleteBySize(minSize):
"""删除小于minSize的文件（单位：K）"""
files = os.listdir(os.getcwd())
#列出目录下的文件
for file
in files:
if os.path.getsize(file) < minSize * 1000
:
os.remove(file) #删除文件
print(file +
" deleted")
return
def deleteNullFile():
'''删除所有大小为0的文件'''
files =
os.listdir(os.getcwd())
for file
in files:
if os.path.getsize(file) == 0:
#获取文件大小
os.remove(file)
print(file +
" deleted.")
return
def create():
'''根据本地时间创建新文件，如果已存在则不创建'''
import time
t = time.strftime(
'%Y-%m-%d',time.localtime())
#将指定格式的当前时间以字符串输出
suffix =
".docx"
newfile= t+
suffix
if not os.path.exists(newfile):
f = open(newfile,
'w')
print newfile
f.close()
print newfile +
" created."
else:
print newfile +
" already existed."
return
hint =
'''funtion:
1 create new file
2 delete null file
3 delete by size
please input number:'''
while True:
option = raw_input(hint)
#获取IO输入的值
if cmp(option,
'1') ==
0:
create()
elif cmp(option,
'2') ==
0:
deleteNullFile()
elif cmp(option,
'3') ==
0:
minSize = raw_input(
"minSize(K):")
deleteBySize(minSize)
elif cmp(option,
'q') ==
0:
print "quit !"
break
else:
print (
"disabled input ,please try again....")
转载于:https://www.cnblogs.com/HYanqing/p/11193521.html
