Resize window active/focused with this script - [INCOMPLETE]

resize window linux x11

#!/bin/bash
# Wallace Silva - wallacesilva.com

dothis=true
toW=720
toH=560
nowW=0
nowH=0
increment=1

while [ dothis ]
do
	nowW=$(xdotool getwindowfocus getwindowgeometry | sed -n '3,30p' | cut -d ':' -f 2 | xargs | cut -d 'x' -f 1)
	nowH=$(xdotool getwindowfocus getwindowgeometry | sed -n '3,30p' | cut -d ':' -f 2 | xargs | cut -d 'x' -f 2)
	ratioW=$(((toW-nowW)/100))
	ratioH=$(((toH-nowH)/100))
	echo "Ratio // W: $ratioW / H: $ratioH"
	
	if [ "$nowW" -lt "$toW" ]; then
		
		# nowW=$((nowW+increment))
		nowW=$((nowW+ratioW))

	fi

	if [ "$nowH" -lt "$toH" ]; then
		
		# nowH=$((nowH+increment))
		nowH=$((nowH+ratioH))

	fi
	
	sleep 0.1 && wmctrl -r :ACTIVE: -e 0,300,168,$nowW,$nowH

	if [ "$nowW" -ge "$toW" ] && [ "$nowH" -ge "$toH" ]; then
	
		dothis=false

	fi

	# can be better
	if [ $dothis ]; then
		doNothing=0
		echo "NOW // W: $nowW / H: $nowH"
		echo "TO // W: $toW / H: $toH"
	else
		exit
	fi

done