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Date: Thu, 14 Jun 2001 14:09:00 +0200
From: Alson van der Meulen <freebsd@alson.linuxfreak.nl>
To: FreeBSD-questions@FreeBSD.ORG
Subject: Re: Keyboard Keystroke in a Shell Script
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On Thu, Jun 14, 2001 at 03:38:25PM +1000, Chris Aitken wrote:
> Hi all,
> 
> I got a bit of a curley one that I cant seem to find any answers.....
> 
> Im writing a shell script (or possibly a perl script... depending on how it 
> needed to be implimented) and im very much a novice at this stuff. What 
> this script is doing, is accessing a device hanging off the serial port of 
> a FreeBSD 3.4 box.
> 
> Im using cu to access the port, and I can issue the required commands on 
> the command line no dramas. What I want to do is write a script which will 
> excecute cu in the command line, issuing the needed lines of data and get 
> out. Here is an example of how I would be accessing the device.....
> 
> -----------
> % cu -l /dev/cuaa1 -s 38400
> 
> ABCD1234<cr>
> Hello, this is a sentence<ctrl z>
> 
> -----------
> 
> How do I issue the <cr> and the <ctrl Z> keyboard strokes to cu in a 
> script? Im pretty sure I can work out how to send the required commands and 
> text, but the keyboard strokes are bugging me.
echo 'ABCD1234
Hello, this is a sentence'|cu -l /dev/cuaa1 -s 38400

should do the trick, or try using cat <<EOF|cu
foo
bar
EOF
(this is only tested in bash, guess it works for sh too)

EOF should be sent automatically...

-- 
,-------------------------------------------.
> Name:           Alson van der Meulen      <
> Personal:       alson@linuxfreak.nl       <
> School:       alson@gymnasiumleiden.nl    <
`-------------------------------------------'
Well, my files were backed up.
---------------------------------------------

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