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Full Discussion: echoed prompt not appearing until after read command.
Top Forums Shell Programming and Scripting echoed prompt not appearing until after read command. Post 102508 by Perderabo on Saturday 18th of March 2006 07:01:52 PM
Old 03-18-2006
In a start up script, you are seldom simply talking to a tty device. Instead, you are talking to logging program or psuedo device. It captures the messages and sends them to syslog. Eventually someone along the way sends them to the console as well. It is probably line buffered from your description. You could just line with it. Always send a newline character with every echo. This means your prompt won't be on the same line as the user input. Or you could try to explicitly open the console....
exec > /dev/console 2>&1

assuming your console is called /dev/console.
 

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LEARN ABOUT SUSE

showconsole

SHOWCONSOLE(8)						       The SuSE boot concept						    SHOWCONSOLE(8)

NAME

       Showconsole - determines the underlying tty of stdin
       Setconsole - sets the underlying tty of /dev/console

SYNOPSIS

       showconsole [-n]

       setconsole /dev/tty<xy> < /dev/console

DESCRIPTION

       showconsole  determines the underlying character device of the current stdin.  This can be used on /dev/console as current character device
       to get the real character device back.

       setconsole sets the underlying tty of the system console /dev/console.  This requires that the standard input is identical  with  /dev/con-
       sole and exactly one argument, a valid character device is given.

OPTIONS

       -n     Return  the  major and minor device numbers instead of the device file name.  This can be used to asked the kernel for the major and
	      minor device numbers of a not existing device file in /dev.

BUGS

       showconsole needs a mounted /proc file system and tries to set the controlling tty to stdin if no controlling tty is found.  After  reading
       /proc the status of the controlling tty is restored to avoid problems with getty processes.

FILES

       /proc/<pid of showconsole>/stat
	      the stat file of the showconsole process.

       /dev/console
	      the system console.

SEE ALSO

       blogd(8), console(4), tty(4), proc(5).

COPYRIGHT

       2000 Werner Fink, 2000 SuSE GmbH Nuernberg, Germany.

AUTHOR

       Werner Fink <werner@suse.de>

3rd Berkeley Distribution					   Nov 10, 2000 						    SHOWCONSOLE(8)
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