I'm trying to apply a verb to infixes of length 4 but I want it to be 
cumulative. i.e. in the list:

3 5 7 9 13 17 21 25 31 37 43 49

I want:

verb 3 5 7 9
verb 3 5 7 9 13 17 21 25
verb 3 5 7 9 13 17 21 25 31 37 43 49

Any help? Thanks.
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to