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#!/bin/bash
#
# Simple autossh and screen wrapper.
#
# Parameters
BASENAME="`basename $0`"
DEST="$1"
COMMAND="$2"
# Set screen title
# http://stackoverflow.com/questions/899609/gnu-screen-run-script-that-sends-commands-to-the-screen-session-it-is-being-run
function screen_title {
if [ -n "$STY" ]; then
screen -X title $1
fi
}
# Syntax check
if [ -z "$DEST" ]; then
exit 1
fi
# Set default screen title
screen_title $DEST
# Dispatcher
if [ "$BASENAME" == "shells" ]; then
# Remote screen shell using autossh
if [ "$COMMAND" == "root" ]; then
autossh $DEST -t -- sudo screen -x
else
autossh $DEST -t -- screen -x $COMMAND
fi
else
if [ -z "$COMMAND" ] && screen -ls $DEST | grep -q "There is a screen on"; then
# Local existing screen shell
wscreen $DEST
elif [ -z "$COMMAND" ] && [ "$DEST" == "root" ]; then
# Local root shell
screen_title root
sudo screen -x
elif [ "$DEST" == "local" ]; then
# Local screen shell
screen_title $COMMAND
wscreen $COMMAND
else
# Remote shell using autossh
autossh $DEST -t -- $COMMAND
fi
fi
# Restore screen title
screen_title terminal
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