[vox-tech] Idea for 'tee' -- shut up already!

[Chris Jenks]

   Dear Bill,

   What would screen do for you that opening a new terminal window 
(alt-Fn) wouldn't do? I know you're an expert, so I just want to know what 
I'm missing.

   Yours,

     Chris

On Fri, 3 Dec 2010, Bill Kendrick wrote:

>
> So I'm grepping & cut'ing a huge log file (6.4 million lines)
> and made the mistake of deciding to pipe it through "tee" to
> watch for a while.  I forgot to do this from within a "screen"
> session, so I'm kind of stuck staring at it in a terminal.  *sigh* :)
>
> I don't want to watch any more, and wish I could do something like,
> I dunno maybe like this...?
>
>
>  $ cat hugefile.log | grep whatever | cut -f 1,2,3 | tee output.txt
>  {huge dump of data}
>  ^Z
>  [1]+  Stopped    cat hugefile.log | grep whatever | cut -f 1,2,3 | tee output.txt
>  $ kill -SIGUSR1 %1
>
> And then resume:
>
>  $ fg
>  {wonderful silence}
>
>
> or background:
>
>  $ bg
>  [1]+    cat hugefile.log | grep whatever | cut -f 1,2,3 | tee output.txt &
>  $
>
>
> In other words, a way to tell tee to "shut up" and stop dumping to stdout
> any more (but keep copying from stdin to the file specified).
>
>
> I wonder, is there any other Linux'y trick I can use in the meantime?
> (Maybe fiddling in /proc ? ;) )
>
>
> -- 
> -bill!
> Sent from my computer
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