Subject: Re: patch to tip so you can use it from shell scripts
To: Marc Mengel <mengel@mwm.chi.il.us.chi.il.us>
From: Chris G. Demetriou <cgd@postgres.Berkeley.EDU>
List: netbsd-bugs
Date: 02/22/1994 17:45:22
> 	The following is a patch so you can do stuff like;
> 
> 	(
> 		sleep 30
> 		echo -n "do something^M"
> 		sleep 1
> 		echo -n "~.^M"
> 		sleep 1
> 	) | tip host | analyze_results
> 
> 	in a shell script, for doing automatic slip dialup, etc.
> 	Mostly just ditches the check for isatty(0), and tries
> 	to pass on SIGPIPE, in case tip is being piped into another
> 	command.  Anyhow, it works for me...

This isn't a great idea, from a security standpoint.

if you want to do things like this, use 'expect', available
from ftp.cme.nist.gov.


cgd

------------------------------------------------------------------------------