python文件操作

python文件操作

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

#11111111111111111111111111
import os
from os.path import join,getsize,splitext
from os import listdir,remove,rename
os.chdir('D:\python_file')
#print(os.getcwd())
tt= ('html')
nn = ('.htm')
def operation(dirr):
    global tt
    global nn
    for file in listdir(dirr):
        temp = join(dirr,file)
        if splitext(temp)[1] in tt:
            ll,tt = splitext(temp)
            rename(temp,ll+nn)
#            print(1)
            
#            os.remove(temp)
#            print(temp,'deleted')

#print(os.getcwd())       
operation(os.getcwd())

222222222222222222222222222
import os
from os.path import join,getsize,splitext
from os import listdir,remove,rename
old = os.getcwd()
print(os.getcwd())
os.chdir('C:\\')
print(os.getcwd())
os.chdir(old)
print(os.getcwd())

#33333333333333333333333333

import os
from os.path import join,getsize,splitext,isdir
from os import listdir,remove,renamejkjjjjj

father = input("目录：")
child = input("文件名：")
os.chdir(father)
print(os.getcwd())
t = 0
def fac(ty):
    global father
    global child
    global t
    for tt in listdir(father):
        ttt = join(ty,tt)
        print(ttt)
        if isdir(tt):
            fac(tt)
        elif tt == child:
            t = 1
    
fac(os.getcwd())
if t == 1:
    print("存在")
else:
    print("不存在")            

#44444444444444444444444
import os
import os.path
from os import listdir,remove
from os.path import join,getsize,splitext,isdir
father = input("请输入地址：")
os.chdir(father)
file_type=('tem','log','obj','txt')
#for i in listdir(father):
#    print(i)
def fac(ty):
    global file_type
    if not isdir(ty):
        return ;
    for filename in listdir(ty):
        temp = join(ty,filename)
#        print(temp)
        if isdir(temp):
            fac(temp)
#    
        elif splitext(temp)[1] in file_type or getsize(temp)==0:
            remove(temp)
            print(temp,'remove')
print(os.getcwd())
fac(father)

#55555555555555555555555555555
import os
import os.path
from os import listdir,remove
from os.path import join,getsize,splitext,isdir
father = input("请输入地址：")
os.chdir(father)
ft = ('.ppt')
fn = ('powerpoint2007')
n=0
def fac(ty):
    global ft
    global fn
    global n
    if not isdir(ty):
        return ;
    for filename in listdir(ty):
        temp,temptype = splitext(filename)
        ff = join(ty,filename)
        if isdir(ff):
            fac(ff)
        elif temp == fn and  temptype == ft:
            n=n+1

fac(os.getcwd())
print(n)