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Mail Archives: cygwin/2005/05/12/20:14:11

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Subject: RE: tail -f and pipes with bash shell
Date: Fri, 13 May 2005 02:13:44 +0200
Message-ID: <90459864DAD67D43BDD3D517DEFC2F7D05AF27@axon.Axentia.local>
From: "Peter Ekberg" <peda AT axentia DOT se>
To: "Lev Bishop" <lev DOT bishop AT gmail DOT com>
Cc: <cygwin AT cygwin DOT com>
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Lev Bishop wrote:
> Try "grep --line-buffered" to get grep to flush output after every
> line. There is a performance penalty for doing this. I don't know why
> you don't see the buffering when grep's stdout isn't redirected.
> Perhaps grep (or the std library) removes/reduces buffering in the
> case the output is a terminal.
> 
> Lev

Yes, that works for this slimed down example, but probably not for
the real work, as that includes several other commands that do
not all have a --line-buffered equivalent. Thanks for you time
though.

I'll drop this now, it's getting more complex than the task
deserves. I can get by as is...

Cheers,
Peter

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