<file bash square.sh>
#!/bin/bash
#
square()
{
x=200
y=200
xwit -root -warp $x $y
while [ "$y" -lt 600 ]; do
	xwit -root -warp $x $y
	let y=$y+1
done
while [ "$x" -lt 600 ]; do
	xwit -root -warp $x $y
	let x=$x+1
done
while [ "$y" -gt 200 ]; do
	xwit -root -warp $x $y
	let y=$y-1
done
while [ "$x" -gt 200 ]; do
	xwit -root -warp $x $y
	let x=$x-1
done
}
square
square
</file>