See e.g. Henry Rich's J for C programmers: *http://tinyurl.com/6xcqyj*
Extracting Variable-Length Fields Using ^:a: ...
5(<[EMAIL PROTECTED]:a:)1000
1000 200 40 8 1 0
BTW here's a collection of the trailing zero verbs from the thread I
mentioned:
NB. Roger Hui
m10rh=: [: +/ <[EMAIL PROTECTED]&5^:(>:@i.@>.@(5&^.)`])
NB. John Randall
m10jr=:[: +/ 5 = [: , [: q: [: >: i.
NB. Henry Rich
m10hr =: +/[EMAIL PROTECTED]:&.(5&#.^:_1)
NB. Raul Miller
ftz=: 5 +/@:= 1 ,@:q:@:+ i.
G=: [:+/]<[EMAIL PROTECTED] >:@i.@<.&.(5x&^.)
NB. RE Boss
m10b=:[:{. [:([(+,]) ]<[EMAIL PROTECTED]:)/^:_ (0,])
(I hope I didn't forget someone)
=@@i
Geoff Canyon schreef:
I looked in the docs and I can't find anything on using ^:a:
Based on my experiments, it's like ^:_ only it returns the full set of
results, rather than just the final result. Is that accurate?
regards,
Geoff
On Apr 13, 2008, at 11:59 PM, Arie Groeneveld wrote:
+/@}.@(<[EMAIL PROTECTED]:a:)
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