Buffering control in python?

[Erik Max Francis]

Fernando Pérez wrote:

> Ah, zero was the magic value. The code posted earlier by Michal
> Wallace then
> works just fine, it's just that I needed to call it with 0 instead of
> -1.
> Thanks a bunch!

Note for the record the behavior is documented here:

http://www.python.org/doc/current/lib/built-in-funcs.html#built-in-funcs

The third argument, can be -1, 0, 1, or some positive integer greater
than one; these mean the system default, unbuffered, line-buffered, or
(approximately) the desired buffer size.

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 A lambda calculus explorer in Python.