Thanks a lot, I've had a hunch it was possible to get rid of those those liftM's. I turned it into:
(writeFile "output.csv") . printCSV . (map updateLine) . (either (error "Chyba pri cteni CSV.") id) =<< parseCSVFromFile "input.csv" and am sincerely hoping he will try to decypher it's meaning ;-))) On Tue, Sep 30, 2008 at 9:01 PM, Simon Brenner <[EMAIL PROTECTED]> wrote: > Something like this perhaps: > > writeFile "output.csv" . printCSV . map updateLine . fromRight =<< > parseCSVFromFile "input.csv" > > (with fromRight = either (error "fromRight :: Left") id or something > equivalent) >
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