Re: List element manipulation
- To: mathgroup at smc.vnet.net
- Subject: [mg25465] Re: [mg25408] List element manipulation
- From: BobHanlon at aol.com
- Date: Sun, 1 Oct 2000 02:44:53 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 9/29/2000 1:44:15 AM, Martin_Rommel at mac.com writes:
>I want to decrement the last number in list.
decrementLast[x_List] := (x /. {start___, end_} :> {start, end - 1})
decrementLast[{a, b, c}]
{a, b, -1 + c}
decrementLast[Range[10]]
{1, 2, 3, 4, 5, 6, 7, 8, 9, 9}
Bob Hanlon