Iteration on file reading

[Paul McGuire]

Try a generator.  This will just read a line at a time.
-- Paul

<code>
from sys import stdin

def lineReader( strm ):
  while 1:
    yield strm.readline().rstrip("\n")

for f in lineReader( stdin ):
  print ">>> " + f
</code>

"Paul Watson" <pwatson at redlinec.com> wrote in message
news:3f7ca9ea$1_1 at themost.net...
>     for line in sys.stdin:
>
> Does this statement cause all of stdin to be read before the loop begins?
>
> I may need to read several GB and I do not want to swamp the machine's
> memory.
>
>