[Jprogramming] Linking boxed strings with intervening spaces

[R.E. Boss]

   ;z,.<' '
alpha bravo charlie

but gives an extra space at the end


R.E. Boss


> -----Oorspronkelijk bericht-----
> Van: programming-bounces at jsoftware.com [mailto:programming-
> bounces at jsoftware.com] Namens Ian Clark
> Verzonden: maandag 2 januari 2012 16:35
> Aan: Programming forum
> Onderwerp: [Jprogramming] Linking boxed strings with intervening spaces
> 
> 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 .
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