Select in Python

Fredrik Lundh fredrik at
Tue Jun 27 08:17:34 CEST 2006

Dio wrote:

> from sys import stdin
> from select import select
> while 1:
>     (rr, wr, er) = select([stdin], [], [])
>     for fd in rr:
>         print fd
> program block in the first select(), after I type something and "enter
> ", it never block in select() again,why?

if there's data waiting to be read from the stream, select() will tell 
you so every time you ask.


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