Dio wrote: > 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?
select blocks until there is some data to read from stdin, but it does not *clear* the data. so once you enter data, select will not block until you read the data. once you're done reading the available data, you can again use select to block until more data is available. Regards Sreeram
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