The initial transcript should have been:

   Z=: ;:'alpha bravo charlie'

   ;:inv Z
alpha bravo charlie

   }.;' ';"1,.Z
alpha bravo charlie

   9!:7]11#' '

   ,1 1}._1 _1}.":Z
alpha bravo charlie

My gmail induced formatting errors are seriously making me reluctant
to use email.

--
Raul

On Mon, Jan 2, 2012 at 11:21 AM, Raul Miller <rauldmil...@gmail.com> wrote:
>   Z=: ;:'alpha bravo charlie'
>    ;:inv Zalpha bravo charlie   }.;' ';"1,.Z
> alpha bravo charlie
>   9!:7]11#' '
>   ,1 1}._1 _1}.":Z
> alpha bravo charlie
>
> I think ;:inv is the closest you are going to get to a single
> primitive version.  There are probably too many worthwhile
> possibilities for alternatives (newlines should terminate, commas
> should separate, bullets should prefix, ...) for other the
> alternatives to be single-primitive
>
> That said, I do wish that L: would turn constants into verbs the same
> way that "_ does:
>
>   ;}.,', ';"1 ,.Z
> alpha, bravo, charlie
>   ;}.,(,.~ 1 |.!.(<' and ') ', '"_ L:0) Z
> alpha, bravo and charlie
>
>
> --
> Raul
>
> On Mon, Jan 2, 2012 at 10:35 AM, Ian Clark <earthspo...@gmail.com> wrote:
>> Suppose z is boxed strings, eg  z=: ;: 'alpha bravo charlie'
>>
>> I half-recall there's a neater (single-primitive) way to recover the
>> string 'alpha bravo charlie' from z than:
>>
>>   b2o=: [: }. [: ; ' ' ,&.> ]
>>   b2o z
>> alpha bravo charlie
>>
>> but I've forgotten what it is and can't seem to find it in Voc or Dic.
>>
>> On the page for "Raze" (;) the Dictionary says archly:
>>   The fit conjunction (;!.f) provides fill specified by the atom f
>> but AFAICS (;!.' ')z is the same as ;z , viz: 'alphabravocharlie' .
>>
>> Nor incidentally is (;) listed as such on the page for "Fit" (!.) .
>>
>> I observe however that:
>>   ;:inv z
>> alpha bravo charlie
>>
>> But what's in my mind is a way of interleaving some other letter, or 2
>> spaces, or comma-space, etc.
>>
>> BTW timer (6!:2) tells me that ;:inv is slower than b2o .
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
----------------------------------------------------------------------
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