Linda wrote:
"
The verb is amend and the main issue is that you must separate 100 and 2 or
they become the list 100 2
"

Actually, amend (}) is an adverb and the verb is (2}).

Roger wrote:
"
   a=: 100 (2}) a
"

The form that Roger gave makes that apparent:

   test=. 2}
   type'test'
┌────┐
│verb│
└────┘




On Mon, Sep 8, 2014 at 11:13 AM, Linda Alvord <lindaalv...@verizon.net>
wrote:

> The verb is amend and the main issue is that you must separate  100 and 2
> or
> they become the list 100 2
>
>       100 (2)} A=.i.5
> 0 1 100 3 4
>
>       (100) 2} A=.i.5
> 0 1 100 3 4
>
>
> Linda
>
> -----Original Message-----
> From: programming-boun...@forums.jsoftware.com
> [mailto:programming-boun...@forums.jsoftware.com] On Behalf Of Roger Hui
> Sent: Monday, September 08, 2014 10:21 AM
> To: Programming forum
> Subject: Re: [Jprogramming] Replace one item of a list
>
>    a=: i.5
>    a
> 0 1 2 3 4
>    a=: 100 (2}) a
>    a
> 0 1 100 3 4
>
>
>
> On Mon, Sep 8, 2014 at 7:18 AM, Sebastian <seb_fo...@arcor.de> wrote:
>
> > Hi,
> >
> > What is actually the best practice to replace one item of a list?
> >
> > The only way I know feels a bit complicated:
> >
> > a =: i. 5
> > 0 1 2 3 4
> >
> >
> >
> > (2 {. a), 100, (3 }. a)
> >
> > 0 1 100 3 4
> >
> >
> >
> > Best regards,
> >
> > Sebastian
> > ----------------------------------------------------------------------
> > For information about J forums see http://www.jsoftware.com/forums.htm
> >
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
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