If you go into a vineyard that belongs to someone else, you are allowed to eat as many grapes as you want while you are there. But don't take any with you when you leave.
In the same way, if you are in a grain field that belongs to someone else, you can pick heads of grain and eat the kernels. But don't cut down the stalks of grain and take them with you.
But they did not attack the towns, because the Israelite leaders had sworn in the name of the LORD that they would let these people live. The Israelites complained about their leaders' decision not to attack,