The dictionary is correct. However, fill is irrelevant here.
Fill is used to pad trailing dimensions when they do not match. But in this thread there are no trailing dimensions. Here's an example of what the dictionary is talking about: ;!.'.' ,:&.>;:'This is a test' This is.. a... test -- Raul On Mon, Jan 2, 2012 at 1:16 PM, Ian Clark <[email protected]> wrote: > Thanks folx. There's a lot of ideas there. And a heap of my unasked > questions answered. > > Chiefly by omission. I take it everyone agree that the line on the > page for "Raze" (;) which says: > The fit conjunction (;!.f) provides fill specified by the atom f > ...is duff gen? > > On Mon, Jan 2, 2012 at 3:35 PM, Ian Clark <[email protected]> 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 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
