Console size handling with xdotool (short example)

#!/bin/bash

GetWindowSize() {
  local SIZE=$(xdotool getactivewindow getwindowgeometry | grep Geometry | cut -d: -f2)
  let WINDOWWIDTH=$(echo $SIZE | cut -dx -f1)
  let WINDOWHEIGHT=$(echo $SIZE | cut -dx -f2)
}

MaximizeWindow() {
  xdotool getactivewindow windowsize 100% 100%
}

RestoreWindowSize() {
  xdotool getactivewindow windowsize $WINDOWWIDTH $WINDOWHEIGHT
}

# Text in bold
Bold() {
  echo -en '\e[1m'"$*"'\e[21m'
}

Cleanup() {
  RestoreWindowSize
  sleep 2
}

# Initializations
GetWindowSize
trap Cleanup 0 1 2

# Test stuff...
echo 'Test about console size handling with '`Bold xdotool`
sleep 2
MaximizeWindow
echo 'Console have been '`Bold maximised`'.'
sleep 2
echo 'Test finished.'
echo 'Console will return back to its '`Bold initial size`'.'
sleep 2