Opening a new tab in an existing GNOME terminal window

gnome-terminal

#!/bin/bash
# from here: https://planet.jboss.org/post/opening_a_new_tab_in_an_existing_gnome_terminal_window
# Path: /usr/local/bin/gnome-terminal
if [ "x$*" != "x" ]; then # any args?
  /usr/bin/gnome-terminal "$@"
  exit 0
fi


# first, inspect the current window
WID=`xdotool getwindowfocus`
#echo "~~~~$WID~~~~"
if [ "x$WID" == "x" ]; then #no window found
  echo '"getwindowfocus" did not find any window.'
  /usr/bin/gnome-terminal
  exit 0
fi

LIST=`xdotool search --onlyvisible --class "gnome-terminal"`
EXISTS=`echo $LIST | grep -w $WID`

if [ "x$EXISTS" != "x" ]; then #current window is terminal
	echo 'current window is a terminal'
	  
	# xdotool windowfocus $WID
	# xdotool windowraise $WID 


	# #xwininfo -id $WID #window info

	# sleep 0.5 #this is essential so window would be activated, and only then we can send keys

	# xdotool key ctrl+shift+t #start a new terminal tab

	#we just start a new process (we're already in a terminal, so the user can create a new tab easily)
	/usr/bin/gnome-terminal

	exit 0
fi

echo 'Current window is not gnome-terminal.'

WID=`xdotool search --onlyvisible --class "gnome-terminal" | tail -1`
if [ "x$WID" == "x" ]; then
  echo 'No open terminal; Running brand new process.'
  /usr/bin/gnome-terminal 
  exit 0
fi

echo 'Found a running console.'

#xdotool search --onlyvisible --class "gnome-terminal"
#echo .
#echo "~~~~$WID~~~~"

#wmctrl -ia $WID

xdotool windowactivate $WID
xdotool windowraise $WID 
xdotool windowfocus $WID

sleep .5

#xwininfo -id $WID #window info

xdotool key ctrl+shift+t #start a new terminal tab