gry@ll.mit.edu wrote:
> import sys
> for l in sys.stdin:
> sys.stdout.write(l)
This is fine if you don't need the reads and writes of lines to run in
lockstep. File iterators read into a buffer, so you'll probably read
4096 bytes from stdin before you ever write a line to stdout. If that's
okay, this is a good solution. OTOH, if you want the reads and writes
to run in lockstep, you should probably use this idiom:
import sys
for line in iter(sys.stdin.readline, ''):
sys.stdout.write(line)
STeVe
P.S. You may also be able to get your version working using the -u
(unbuffered) option to Python, but I couldn't.
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