[RFC] Force stdio output streams to line-buffered mode

[Jeremie Le Hen]

On Sat, Feb 19, 2011 at 02:37:29PM -0600, Matthew D. Fuller wrote:
> On Sat, Feb 19, 2011 at 07:50:43PM +0100 I heard the voice of
> Jeremie Le Hen, and lo! it spake thus:
> > 
> > I've attached a small patch for stdio, so if the environment variable
> > STDIO_IOLBF is set, the output streams will be line-oriented by default.
> >     iostat -x 1 | env STDIO_IOLBF=1 grep -v ad10 | cat -n
> 
> I've no real comment on anything else (sounds like an interesting
> hack, whatever else), but just for this particular case, you know that
> grep has a --line-buffered arg, right?

Yes indeed, my example wasn't especially smart :).  Actually, I often
stumble on this problem with an awk script I use to columize output.

-- 
Jeremie Le Hen

Humans are born free and equal.  But some are more equal than others.
					    Coluche