Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!vsi1!v7fs1!mvp
From: mvp@v7fs1.UUCP (Mike Van Pelt)
Newsgroups: comp.unix.questions
Subject: Re: 'peeking' in on a pipe
Message-ID: <435@v7fs1.UUCP>
Date: 10 Jul 89 20:01:09 GMT
References: <6.24B47361@seaeast.WA.COM> <2847@kappl.cs.vu.nl>
Reply-To: mvp@v7fs1.UUCP (Mike Van Pelt)
Organization: Video 7 + G2 = Headland Technology
Lines: 19

>Tim.Evans@f112.n138.z1.WA.COM (Tim Evans) writes:
>I would like to 'peek' in on a pipe, to see what is happening in it, WHILE
>IT EXECUTES. I tried something like this, but no luck:
> 
>  some_stuff | tee `tty` | more_stuff

Here's what I do -- I'm assuming you want to just peek in on it
from time to time, not look at the whole thing.

some_stuff | tee bletch | more stuff

Then, if I want to check in on what's going through the tee
I just tail bletch,  or, if I want to monitor it for a while,
tail -f bletch.

-- 
Mike Van Pelt                     "I'm not a biologist, but I play one in 
Headland Technology/Video 7        front of Congressional hearings."
...ames!vsi1!v7fs1!mvp                        -- Meryl Streep