python f.write

fateand

请问
原文件是这样的
[root@rhel5 zl]# vi somefile.txt

welcome to this file
There is nothing here except
This stupid aikuth


>>> f = open('/home/somefile.txt','w')
>>> f.write('this\nis no\nhaiku')
>>> f.close()

结果是这样
less somefile.txt
this
is no
haiku
~      
请问f.write()是替换么
f.write('this\nis no\nhaiku')
这句是全部替换成括号中的么

llbgurs

class file(object)
|  file(name[, mode[, buffering]]) -> file object
|
|  Open a file.  The mode can be 'r', 'w' or 'a' for reading (default),
|  writing or appending.  The file will be created if it doesn't exist

ciniao300

f = open('/home/somefile.txt','a') 为在尾部追加