PythonÖеÄOSÄ£¿é
osÄ£¿éÌṩÁ˶àÊý²Ù×÷ϵͳµÄ¹¦Äܽӿں¯Êý.µ±osÄ£¿é±»µ¼Èëºó,Ëü»á×ÔÊÊÓ¦ÓÚ²»Í¬µÄ²Ù×÷ϵͳƽ̨,Èçposix»òNTϵͳƽ̨,osÄ£¿é»á¸ù¾Ý²»Í¬µÄƽ̨½øÐÐÏàÓ¦µÄ²Ù×÷.±¾½ÚÄÚÈݽ«¶ÔosÄ£¿éÌṩµÄº¯Êý½øÐÐÏêϸµÄ½â¶Á.
1.1 Îļþ²Ù×÷º¯Êý
1.1.1 open()º¯ÊýÌṩ´´½¨¡¢´ò¿ª¡¢ÐÞ¸ÄÎļþµÄ¹¦ÄÜ¡£
Example 1-1. Using the os Module to Rename and Remove Files
#Filename: os-example-1.py
import os
import string
def replace(file, search_for, replace_with):
# replace strings in a text file
back = os.path.splitext(file)[0] + ".bak"
temp = os.path.splitext(file)[0] + ".tmp"
try:
# remove old temp file, if any
os.remove(temp)
except os.error:
pass
fi = open(file)
fo = open(temp, "w")
for s in fi.readlines():
fo.write(string.replace(s, search_for, replace_with))
fi.close()
fo.close()
try:
# remove old backup file, if any
os.remove(back)
except os.error:
pass
# rename original to backup...
os.rename(file, back)
# ...and temporary to original
os.rename(temp, file)
# try it out!
file = "samples/sample.txt"
replace(file, "hello", "tjena")
replace(file, "tjena", "hello")
1.1.2 rename()ºÍremove()º¯Êý,¶ÔÎļþ½øÐÐÖØÃüÃûºÍɾ³ý²Ù×÷.Çë²ÎÕÕÀý1-1
1.2 Ŀ¼²Ù×÷
1.2.1 listdir()º¯Êý,·µ»ØÖ¸¶¨Ä¿Â¼ÏÂËùÓÐÎļþÃû,²¢±£´æÓÚÒ»ÁбíÖÐ.µ«µ±Ç°Ä¿Â¼±ê¼Ç(.)ºÍ¸¸Ä¿Â¼±ê¼Ç(..)²»ÔÚÆäÖÐ.
Example 1-2. Using the os Module to List the Files in a Directory
File: os-example-2.py
import os
for file in os.listdir("samples"):
Ïà¹ØÎĵµ£º
>>> import time
>>> import datetime
>>>
now = time.localtime()
>>> now
(2006, 4, 30, 18, 7, 35,
6, 120, 0)
>>> type(now)
<type 'time.struct_time'>
>>>
str_now = time.strftime("%m/%d/%Y %X", now )
>>>
str_n ......
ʹÓÃxlrd
À´
¶ÁÈ¡£¬xlrdµÄÏÂÔØ¼°°²×°¿ÉÒԲο´:
Python
"xlrd" package for extracting data from Excel files
---------------------------------------------------------------------------------
#coding=utf-8
import xlrd
import os, types, datetime
#excel´æ·ÅĿ¼
dir = u'D:\\temp\\excel'
......
ÎÊÌâÃèÊö£º¼ÙÉèÎÒÓÐÕâÑùÁ½¸ölist£¬
Ò»¸öÊÇlist1£¬list1 = [1, 2, 3, 4, 5]
Ò»¸öÊÇlist2£¬list2 = [1, 4, 5]
ÎÒÃÇÈçºÎµÃµ½Ò»¸öеÄlist£ ......
ÒÔÏÂ"#"¿ªÍ·ÊÇUbuntuÖÕ¶ËÃüÁî
1¡£Ê×ÏȰ²×°Ubuntu10.04
²Î¿¼ http://wiki.ubuntu.org.cn/
2¡£ÐÞ¸ÄrootÓû§ÃÜÂë
3¡£Ê¹ÓÃrootµÇ½ϵͳ
4¡£UbuntuĬÈÏÒѾ°²×°python2.6.5
5¡£ÏÂÔØstackless
²é¿´ÍøÖ· http://zope.stackless.com/download/sdocument_view
# cd /usr/src
# wget http://www.sta ......