[Jprogramming] 'for.' control command

[Bo Jacoby]

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 <cfp424fabn at hotmail.com>
>Til: programming at jsoftware.com; support at oneclickdigital.com; ebay.techauctions at 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                           
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