is it possible that ipython is not actually closing the file but keeping the file descriptor open behind your back, if so then seeking to 0 might solve it?
On Wed, Aug 29, 2012 at 1:00 AM, Tom Kuiper <[email protected]> wrote: > On 08/28/2012 03:54 PM, David MacMahon wrote: > >> On Aug 28, 2012, at 3:39 PM, Tom Kuiper wrote: >> >> >>> I don't know how to get Python to read more than teh nominal file size >>> if it is supposed to look like a file. >>> >>> >> If you want to read the register value a second time, you need to seek to >> the beginning of the file first, then read four bytes. You should be able >> to repeat the seek/read pattern as many times as you want. >> >> > I close the file after I write to it and open it again for the read. > After I write to the file, "ls -l" gives a size of zero instead of 4. > > If that's not what's confusing you, can you please clarify what is? >> > I am not trying to mix reads and writes on an open file. I know about > seek and tell if that were what I wanted to do. > > Tom > > -- *Adam Barta* c: +27 72 105 8611 e: [email protected] w: www.ska.ac.za
