Re: Finding if a list is within another list

From: Nick Wedd (nick_at_maproom.co.uk)
Date: 04/01/04

  • Next message: Matthew Huntbach: "Re: Finding if a list is within another list" 
    Date: Thu, 1 Apr 2004 09:47:14 +0100

    In message <3505c493.0403300939.16d7ab46@posting.google.com>, briandela
    <briandela@hotmail.com> writes
    >Hi All,
    >
    >I'm looking for some prolog code to determine if a list, e.g. [1,1] is
    >inside another list.... That's just a simple sublist... but what I
    >want to do is something like this.
    >
    >Say I have a list [7,4,2,3,1,1,4,5,6,7] ... I want to be able to
    >say... give me a list between 2 and 5 and then see if [1,1] is in
    >that.
    >
    >I need to get the list that starts with, say 2 and ends with say 5,
    >and then do a sublist on that.
    >
    >so the predicate would be something like GetList([start], [stop],
    >[originalList], X).
    >
    >Any help would be appreciated.

    You need to write two sub-predicates. The first will look for a sublist
    with specified initial and final elements. The second will look for
    sublists within this.

    Nick 

    -- 
Nick Wedd
  • Next message: Matthew Huntbach: "Re: Finding if a list is within another list"