Lorens Kockum <[EMAIL PROTECTED]> writes:
> <NONDEBIANPOST>
>
> On Sun, Dec 07, 1997 at 12:31:23PM +0100, Torsten Hilbrich wrote:
> >
> > cut doesn't buffers everything, grep is to blame. If grep output to a
> > non-terminal (e.g. a pipe) it use buffers of 4k (don't remember the
> > correct value). Unfortunatly, I don't know any way to get around
> > this.
>
> If that's the problem, then do
>
> tail -f file | cut -b whatever | grep whatever
>
> and presto, you're outputting to a terminal. Won't work, of course,
> if cut has the same problem.
Of course. I assume that almost any utility block buffers the output
if not going to the terminal. This will happen if you have more than
one pipe in your command line.
Torsten
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