19 lines
633 B
Haskell
19 lines
633 B
Haskell
import CSVParser
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import FrequentPatterns
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import DataModel
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import qualified Data.Set as Set
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import System.Environment(getArgs)
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import Control.Monad(when)
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main :: IO()
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main = do
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args <- getArgs
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when (2 /= length args) (error "Usage: Main <file.csv> <threshold>")
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let filename = head args
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let threshold = read $ last args
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file <- readFile filename
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case parseCSV file of
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Left _ -> error "Could not parse out.csv"
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Right val -> mapM_ (\x -> putStrLn (show x ++ "(" ++ show (count table x) ++ ")")) (concat (frequentPatterns threshold table)) where
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table = map (ItemSet. Set.fromList .map Item) val
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