Re: Again problems with the creation of tables...

[Tom N Harris <telliamed@...>]

Hello, the problem with your code is here:

> data={}
...
>     data[i][text]=1

There are two things you're forgetting here. The first is that the inner table 
has not been created yet. There's a shortcut (using metatables) for doing 
this, but this is the long way that's easier to understand.

    if not data[i] then
      data[i] = {}
    end

Now you can use the second subscript. To accumulate a counter is a similar 
process.

    data[i][text] = data[i][text] and (data[i][text] + 1) or 1

Okay, maybe not quite the same. The "THIS and THAT or SOMETHING_ELSE" is a 
quick way to do an if..then..else block. It works here because the values are 
all numbers.

I would advise you to change the way you loop through the file. You're code 
works in column order, but the file is in row order, so you have to rewind the 
file on every column which is very slow. Read each row first then read the 
columns from that row into your table.

-- 
tom <telliamed@whoopdedo.org>