Following a file, or cloning tail

[Boudewijn Rempt]

On Wed, 28 Jun 2000, Darrell Gallion wrote:

> If your on Windows and can wait for the file to complete writing, check out
> http://www.dorb.com/darrell/win32WorkSvr/
> 

I have to be portable, worse luck!

> The best solution might be to use popen if you can.

You mean simply a os.popen("tail -f myfile","r").readline() should
work? It sounds to easy to be true ;-)

> 
> Trail might be a problem if the other application doesn't flush() the file
> once in a while.

It calls flush() allright, that's not the problem.

> If it does you should be able to just call read() on an interval or use
> select to avoid polling.
> Select won't help you on Windows though, but Win32 calls will.
> 

Thanks for all the pointers!

Boudewijn Rempt  | http://www.valdyas.org