using ConfigParser wrong?

[David Rysdam]

NM, I am an idiot.  Need to open the file in write mode.

David Rysdam wrote:
> I have a file test.cfg:
> 
> [options]
> option1=foo
> option2=bar
> 
> 
> I have a program testconfig.py:
> 
> import ConfigParser
> 
> config = ConfigParser.ConfigParser()
> f = open('test.cfg')
> config.readfp(f)
> configList = config.items('options')
> print configList
> config.set('options', 'option3', 'baz')
> config.write(f)
> 
> 
> When I run this program, I get an error:
> 
> Traceback (most recent call last):
>   File "./testconfig.py", line 11, in ?
>     config.write(f)
>   File "/usr/lib/python2.3/ConfigParser.py", line 363, in write
>     fp.write("[%s]\n" % section)
> IOError: [Errno 9] Bad file descriptor
> 
> 
> Is .write() not right?  If not, how do I save the changed config to file?