Python中执行shell命令的实例
1。
myCoolVariable="some_string"
os.system("echo myCoolVariable")
2.
>>> os.system('echo "asdg"')
asdg
0
>>> os.system("echo 'asdgwere'")
asdgwere
0
3.
$ python
>>>hamburger="potato"
>>>import os
>>>os.system("echo 'hamburger'")
potato
0
4.
hamburger=os.system('echo $MY_SHELL_VAR | sed "s/longsed/replacement/g"')
5.
>>> string="python is cool"
>>> cmd="echo "+string
>>> os.system(cmd)
python is cool
0
>>>
6.
bash$ python
Python 2.4.3 (#1, May 18 2006, 07:40:45)
[GCC 3.3.3 (cygwin special)] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from os import system
>>> food = 'spam'
>>> system('echo %(food)s' % locals())
spam
0
>>>
相关文档：
工具栏->高级->配置->编辑器显示->语法加亮->打开
在打开的文件中结尾加上下面文字，并保存。
/L10"Python" Line Comment = # Block Comment One = """ Block Comment Off = """ Escape Char = \ File Extensions = PY PYW
/Indent Strings = ":"
/Function String 1 = "%[ ,^t]++def[ ]+^([a-zA-Z0-9_] ......
windows下的路径像“f:\program files\python\backup”其中“\”需要用转义符，写成“\\”，或者前面加r写成path
= r’f:\program files\python\backup’但是在调用一些系统命令，如os.system(rar a path e:\backup)会出错，原因是“program files&rdquo ......
#!/usr/bin/python
#coding=utf-8
import Image,ImageDraw,ImageFont,os,string,random,ImageFilter
def initChars():
"""
允许的字符集合，初始集合为数字、大小写字母
usage: initChars()
param: None
return: list
返回允许的字符集和
for: picChecker类初始字符集合
todo: ......
0、字符串是不可变的。
1、基本字符串操作：索引、切片、复制、成员、长度、最大和最小。
2、字符串格式化：用格式化操作符百分号%实现，eg:>>> format = "Hello, %s. %s enough for ya?"
......
