You quoted 12.3.7 of LJ incorrectly and forgot the _a part: for_a. A do. B. end.
R.E. Boss > -----Oorspronkelijk bericht----- > Van: programming-boun...@jsoftware.com > [mailto:programming-boun...@jsoftware.com] Namens Bo Jacoby > Verzonden: vrijdag 29 juni 2012 9:12 > Aan: Programming forum > Onderwerp: Re: [Jprogramming] 'for.' control command > > What you are doing wrong? You are thinking pascal rather than J! > > (($~3,#)'We wish you a Merry Christmas'),'And a Happy New Year!' > We wish you a Merry Christmas > We wish you a Merry Christmas > We wish you a Merry Christmas > And a Happy New Year! > > - Bo > > > >________________________________ > > Fra: Charles Pechacek <cfp424f...@hotmail.com> > >Til: programming@jsoftware.com; supp...@oneclickdigital.com; > >ebay.techaucti...@gmail.com > >Sendt: 8:43 fredag den 29. juni 2012 > >Emne: [Jprogramming] 'for.' control command > > > > > > > >Hello > >I have been trying to get a handle on the 'for.' control command, using a > >little program taken from a > >Pascal book, of which I have written a script as follows: > >load 'print' > >humbug=: 3 : 0 > >for. >: i.3 do. > >print 'We wish you a Merry Christmas' > >end. > >print 'And a Happy New Year!' > >) > >Here are the instructions, which I think are relevant, taken from the last > >example of section 12.3.7 of 'Learning J': > >Another variation is the pattern for. A do. B end. in which block B is > >executed as many times as there are items of A. > >However, when I run this program, all that results is a copy of the code. > >What am I doing wrong? > >Thanks in advance. > >Charles > >---------------------------------------------------------------------- > >For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
