gistfile1.txt

#!/bin/bash

# Get active window attributes
ACTIVE_WINDOW=$(xdotool getactivewindow)
ACTIVE_GEOMETRY=$(xdotool getwindowgeometry $(xdotool getactivewindow))
ACTIVE_WIDTH=$(echo $ACTIVE_GEOMETRY | cut -d ' ' -f8 | cut -d 'x' -f1)
ACTIVE_HEIGHT=$(echo $ACTIVE_GEOMETRY | cut -d ' ' -f8 | cut -d 'x' -f2)

# Get screen attributes
WIDTH=`xdotool getdisplaygeometry | cut -d' ' -f1`
HEIGHT=`xdotool getdisplaygeometry | cut -d' ' -f2`
HALF_WIDTH=`expr $WIDTH / 2`
HALF_HEIGHT=`expr $HEIGHT / 2`

THIRD_WIDTH=`expr $WIDTH / 3`
TWO_THIRD_WIDTH=`expr $THIRD_WIDTH \* 2`


echo $WIDTH
echo $THIRD_WIDTH
echo $TWO_THIRD_WIDTH

if [ $ACTIVE_WIDTH -eq $HALF_WIDTH ]
then

	xdotool windowsize $ACTIVE_WINDOW $THIRD_WIDTH $HEIGHT
	xdotool windowmove $ACTIVE_WINDOW $TWO_THIRD_WIDTH 0

elif [ $ACTIVE_WIDTH -eq $THIRD_WIDTH ]
then
	xdotool windowsize $ACTIVE_WINDOW $TWO_THIRD_WIDTH $HEIGHT
	xdotool windowmove $ACTIVE_WINDOW $THIRD_WIDTH 0

else

	xdotool windowsize $ACTIVE_WINDOW $HALF_WIDTH $HEIGHT
	xdotool windowmove $ACTIVE_WINDOW $HALF_WIDTH 0

fi