Yes,  that is pretty much what I wanted. 

Thanks.
--------------------------------------------
On Sat, 5/27/17, Raul Miller <[email protected]> wrote:

 Subject: Re: [Jprogramming] Rename items of array
 To: "Programming forum" <[email protected]>
 Date: Saturday, May 27, 2017, 5:56 PM
 
 Like this?
 
    arr=: ;:'a b a c b c a b b b c a
 b'
    (;:'a b c')i.arr
 0 1 0 2 1 2 0 1 1 1 2 0 1
   
 ((;:'a b c')i.arr){;:'e f g'
 ┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐
 │e│f│e│g│f│g│e│f│f│f│g│e│f│
 └─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┘
 
 I hope this helps,
 
 -- 
 Raul
 
 
 On Sat, May
 27, 2017 at 4:43 AM, 'Jon Hough' via Programming
 <[email protected]>
 wrote:
 > Let
 > a=:
 'a'
 > b=: 'b'
 > c=: 'c'
 >
 > and let
 > arr=:
 a;b;a;c;b;c;a;b;b;b;c;a;b NB. i.e. all items from a,b,c
 >
 > I want to relabel the
 items
 > with
 > e=:
 'e'
 > f=: 'f'
 > g=: 'g'
 >  so
 a -> e, b -> f, c -> g.
 > so arr
 becomes
 > e;f;e;g;f;g;e;f;f;f;g;e;f
 >
 > Is there a succinct
 (preferably tacit) way to do this?
 > I
 feel like there should be, but can't find a way, so my
 current
 > method is to use a for__i.
 loop, which feels very clumsy for
 >
 something that seems should have a nice solution.
 >
 > Thanks,
 > Jon
 >
 >
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