[Haskell-cafe] Purely Functional Data Structures

Henning Thielemann lemming at henning-thielemann.de
Mon Mar 9 05:53:23 EDT 2009


On Sat, 7 Mar 2009, Gü?nther Schmidt wrote:

> is the above mentioned book still *the* authority on the subject?
>
> I bought the book, read about 10 pages and then put it back on the shelf. Um.
> In my app I have to deal with 4 csv files, each between 5 - 10 mb, and some 
> static data.
>
> I had put all that data into an Sqlite3 database and used SQL on it. But, as 
> the requirements keep changing the SQL becomes a bit messy. I guess we've all 
> had that experience.
>
> So I'm wondering if I will find clues in this book how to do my querying and 
> handling of moderately large data in a more haskellish way and be able to 
> drop the SQL.

If this CSV processing is of pipe style, you may want to try a lazy CSV 
parser and formatter:
    http://hackage.haskell.org/cgi-bin/hackage-scripts/package/spreadsheet-0.1


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