s=: 'ab',LF,'abc de',LF,'ab de',LF,'de ef',LF
w=: <;._1@(' '&,)&.> <;._2 s
u=: ~. ; w
u ,. <@I."1 |: (<u) e.&> w



----- Original Message -----
From: JC Coez <[EMAIL PROTECTED]>
Date: Sunday, August 17, 2008 7:21
Subject: [Jprogramming] Beginner question
To: Programming forum <[email protected]>

> Hello, I am still a beginner...
> Suppose a list of character boxes, each box being a set of 
> sentences (which 
> can occur in several boxes ) separated by a LF. I want to get a 
> catalog of 
> all different sentences and their corresponding occurences in 
> the list.
> As input:
> 'ab' 'abc de' 'ab de' 'de ef'
> As output:
> 'ab' '0 2'
> 'abc' '1'
> 'de' '1 2 3'
> 'ef' '3'
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