[97502] in RedHat Linux List
Re: strange characters killing terminal
daemon@ATHENA.MIT.EDU (John H Darrah)
Tue Nov 3 13:10:27 1998
Date: Tue, 3 Nov 1998 10:01:13 -0800 (PST)
From: John H Darrah <jhd@giddens.com>
To: redhat-list@redhat.com
In-Reply-To: <363F1A06.676EA30F@twopoint.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
On Tue, 3 Nov 1998, Michael Jinks wrote:
> I'm using a Redhat 5.1 box to capture report
> printouts from a legacy system over its serial
> port. So far everything has gone fine, but the
> report we're printing now seems to have lots of
> characters in it that my terminal sessions don't
> like. If I try to "tail" or "head" the file, I
> get a dash and one of those solid rectangle
> characters, and my login hangs and must be
> killed; can't even send a break.
Try the following script to strip all control
characters (except TAB) from the input. Change the
baud rate to match what you are using.
Also change "some.file" and "/dev/ttyname" to
whatever you are using.
--CUT---
#!/bin/sh
(
stty 9600 raw istrip icanon
tr -d '\000-\010' |
tr -d '\012-\037' > some.file
) < /dev/ttyname
--CUT--
--
John Darrah (u05192) | Dept: N/C Programming
Giddens Industries | Ph: (425) 353-0405 #229
PO box 3190 | Ph: (206) 767-4212 #229
Everett WA 98203 | Fx: (206) 764-9639
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