Syntax: BUY <object>
Syntax: SELL <object>
Syntax: VALUE <object>
BUY buys an object from a shop keeper.
When multiple items of the same name are listed, type BUY n.item', WHERE n
is the position of the item in a LIST of that name. So if there are two
swords, BUY 2.sword will BUY the second. If you want to BUY multiples of
an item, use an * BUY 5*pie will BUY 5 pies). These can be combined into
(for example) BUY 2*2.shield, as long as the * is first.
LIST lists the objects the shop keeper will SELL you.
LIST <name> shows you only objects of that name.
SELL sells an object to a shop keeper.
VALUE asks the shop keeper how much he, she, or it will BUY the item for.