python中os.path常用模块
os.path.sep:路径分隔符 linux下就用这个了’/’
os.path.altsep: 根目录
os.path.curdir:当前目录
os.path.pardir:父目录
os.path.abspath(path):绝对路径
os.path.join(): 常用来链接路径
os.path.split(path): 把path分为目录和文件两个部分,以列表返回
- [GCC 4.4.5] on linux2
- Type "help", "copyright", "credits" or "license" for more information.
- >>> import os
- >>> help('os.path.sep')
- >>> print os.path.sep
- /
- >>> print os.path.altsep
- None
- >>> print os.path.curdir
- .
- >>> print os.path.abspath('/root')
- /root
- >>> print os.path.abspath('/root/pp')
- /root/pp
- >>> print os.path.abspath('/root/pp/f.c')
- /root/pp/f.c
- >>> print os.path.split('/root/pp/f.c')
- ('/root/pp', 'f.c')
- >>>
>>> b=[]
>>> b=map(int,a)
>>> b
[1, 2, 3]
>>> b=map(float,a)
>>> b
[1.0, 2.0, 3.0]
>>>
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