[Tutor] Naive Questions

Michael Powe michael@trollope.org
Sun Dec 1 19:47:08 2002


oh yeah, and thanks for the reference too, i'll use it.

mp


On Mon, Dec 02, 2002 at 01:35:02AM +0100, Yann Le Du wrote:
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> On Sun, 1 Dec 2002, Michael Powe wrote:
> 
> > a couple questions to which i haven't been able to find answers.
> > 
> > i don't seem to find a python equivalent to the "rewind" file operation
> > in C -- that is, i read through a file and i want to go back to the
> > beginning and read again.  is the only option to close & reopen?
> 
> No. You can use :
> 
> f.seek(0,0)   # to go back at file's beginning
> 
> see http://diveintopython.org/fileinfo_files.html for more.
> 
> > 
> > and just from curiosity, why are there no increment/decrement operators,
> > and nothing equivalent to += & its friends?  i'd have thought this
> > would be a faq, but don't find anything about it there.
> > 
> > the first item actually relates to something i'm working on.  the second,
> > just that i'm lazy & find having to always type out i = i+1 annoying.  ;-)
> 
> These things work in the Python I use, i.e. 2.2
> 
> Y
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