Hi, thanks. Sorry, from that I still dont get how I can parse a file like this.. 

id1    id2    int
HAT    KNIFE    1
HAT    KNIFE    7
BALL   KNIFE    3
CAT    CLOTH    1
DOG    CLOTH    2

[download]
To produce a table like this (notice KNIFE and HAT total is 8). Its 2am here, and would love to get this down else my wife is going to kill be if Im stuck on this all weekend. So your help much appreciated, first time I have asked for help like this. 

             CLOTH     KNIFE
   BALL        0         3
   HAT         0         8
   DOG         1         0
   CAT         1         2

[download]

In reply to Re^2: Associated lists to matrices - and accumalted integers by jaybode
in thread RESOLVED - Associated lists to matrices - and accumalted integers by jaybode

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