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From: walter@mecky.UUCP (Walter Mecky)
Newsgroups: comp.unix.i386
Subject: Re: ISC 2.0.2, How to set baud rate on serial ports?
Message-ID: <757@mecky.UUCP>
Date: 29 Aug 90 23:21:10 GMT
References: <9008280005.aa24338@PARIS.ICS.UCI.EDU> <1990Aug28.145215.29143@wolves.uucp>
Reply-To: walter@mecky.UUCP (Walter Mecky)
Organization: MIKROS Systemware, Buettelborn/W-Germany
Lines: 21

In article <1990Aug28.145215.29143@wolves.uucp> ggw@wolves.uucp (Gregory G. Woodbury) writes:
< The answer is to have a command like:
< 	sleep 10000 >/dev/tty02 &
< preceed your 
< 	stty 9600 </dev/tty02 >/dev/tty02
< 	cat /dev/tty02 >file
< commands.  The sleep keeps the port open but inactive.  For technical
< completeness you should probably get the pid of the sleep command from
< the variable "$!" and kill the sleep process after your transfer is
< done.

Why bother with the sleep command, its time value and killing it?
I suggest:

	( stty 9600
	  cat >file ) </dev/tty02 

Now the port is open exactly in the time is must be. Not longer,
not shorter.
-- 
Walter Mecky	[ walter@mecky.uucp	or  ...uunet!unido!mecky!walter ]