J has come a long way:
];._1&(','&,) 'hello there,how,are,you today?'
hello there
how
are
you today?
Henry Rich
On 3/24/2012 11:08 PM, Blake McBride wrote:
> Greetings,
>
> Years ago I wrote a function in APL to take a string vector and split it
> into a matrix at the point of the commas in the string. It really came in
> handy for the business applications I was writing. I converted it to J and
> thought I would share it as follows:
>
> words =: 3 : 0
> (($r),>./r)$(,r>/i.>./r=._1+(r,1+$a)-0,r=.(a=',')#1+i.$a)#inv(a~:',')#a=.,y
> )
>
>
> words 'hello there,how,are,you today?'
> hello there
> how
> are
> you today?
>
>
> Blake McBride
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>
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