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Monitor Port, if active, pipe command to screen

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Old 03-30-2010
Monitor Port, if active, pipe command to screen
I am a linux newbie and I am learning. I need a script that will monitor a port and if active -- only active, not listening or waiting -- then pipe some commands to the screen as if they were typed on the keyboard. Can a bash or perl script do this and if so, could someone help me out?

Thanks.
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LEARN ABOUT SUSE

gnome-screensaver-command

gnome-screensaver-command(1)				      General Commands Manual				      gnome-screensaver-command(1)

NAME

       gnome-screensaver-command - controls GNOME screensaver

SYNOPSIS

       gnome-screensaver-command [OPTION...]

DESCRIPTION

       gnome-screensaver-command is a tool for controlling an already running instance of gnome-screensaver.

OPTIONS

       --exit Causes the screensaver to exit gracefully

       -q, --query
	      Query the state of the screensaver

       -t, --time
	      Query the length of time the screensaver has been active

       -l, --lock
	      Tells the running screensaver process to lock the screen immediately

       -c, --cycle
	      If the screensaver is active then switch to another graphics demo

       -a, --activate
	      Turn the screensaver on (blank the screen)

       -d, --deactivate
	      If the screensaver is active then deactivate it (un-blank the screen)

       -p, --poke
	      Poke the running screensaver to simulate user activity

       -i, --inhibit
	      Inhibit the screensaver from activating. Command blocks while inhibit is active.

       -n, --application-name
	      The calling application that is inhibiting the screensaver

       -r, --reason
	      The reason for inhibiting the screensaver

       -V, --version
	      Version of this application

AUTHORS

       gnome-screensaver-command is written by William Jon McCann <mccann@jhu.edu>.

       This manual page was written by Sven Arvidsson <sa@whiz.se>.

SEE ALSO

       gnome-screensaver(1)

GNOME
								    2007-09-27					      gnome-screensaver-command(1)