Removing last line while appending to file

[Tim Wegener]

Someone emailed me directly with the solution: use open(filename, "r+")
This solved my problem. 
(I was using the wrong mode for open())

Tim

On Wed, 30 Apr 2003 15:26:08 +0930
Tim Wegener <twegener at fastmail.fm> wrote:

> Hi, 
> 
> Is there a simple way to remove the last line (or arbitrary trailing
> portion) of a file, when appending to it? 
> 
> I want to write a log file in xml, which requires root elements around
> all the log data. This means that when I want to append to the log I
> must first remove the trailing </log> element. 
> 
> I have tried using file.seek() and file.tell() to no avail. I would
> prefer not to parse the entire file each time I want to simply append an
> entry. 
> 
> Thanks, 
> Tim
> 
> 


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