Re: [ILUG] vanquishing the daemons of shell scripting

From: Kenn Humborg (kenn at domain linux.ie)
Date: Sat 20 Jul 2002 - 12:19:47 IST


On Sat, Jul 20, 2002 at 10:47:36AM +0100, Stephen Shirley wrote:
...
> It's very easy to get one program to act on the output of a second
> program: cmd1 | cmd2. But, what if you want cmd1 to act on the output of
> cmd2 as well? Hmm. Eventually, I came up with this solution:
>
> mkfifo io
> cmd1 <io | cmd2 > io
...
> mine, and i is happy person once again. In case you were wondering, the
> aim of all of this was to write a shell script that could check for new
> mail on an imap server.

Doesn't answer your question, but perhaps a combination of expect and
(netcat or telnet) might have made for an easier solution?

Later
Kenn



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