Elements()
ELEMENTS()
FUNCTION: elements(<list of words>,<list of numbers>[,<idelim>[,<odelim>]])
This function returns the words in <list of words> that are in the
positions specified by <list of numbers>. <list of numbers> is always
delimited by spaces. <idelim> is the delimiter for <list of words>,
and the output is delimited by <odelim>
Examples:
> say elements(Foo Ack Beep Moo Zot,2 4)
You say, "Ack Moo"
> say elements(Foof|Ack|Beep|Moo,3 1,|)
You say, "Beep|Foof"